Answer:
bad stuff such as ashes and chemicals in the air from that fire could bring bad stuff to the water
Explanation:
This satellite image depicts an area in Alaska after a fire. Because the fire disrupted animal habitats and caused animals to flee, more sediment entered the river.
What is satellite ?A satellite, also known as an artificial satellite, is an object that is purposefully placed in orbit in outer space. Satellites are used for a variety of purposes such as communication relay, weather forecasting, navigation, broadcasting, scientific research, and Earth observation.
A satellite is any object that orbits another object, such as the Earth orbiting the sun. Hundreds of satellites are in operation. They serve a variety of functions, including weather forecasting, television signal transmission, amateur radio and internet communications, and the Global Positioning System.
GEO (Geostationary Earth Orbit) at approximately 36,000 kilometers above the earth's surface. LEO (Low Earth Orbit) is 500–1500 kilometers above the earth's surface. MEO (Medium Earth Orbit) or ICO (Intermediate Circular Orbit) at approximately 6000-20,000 kilometers above the earth's surface.
Thus, This satellite image depicts an area in Alaska after a fire.
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Explore: Arrange the matter
from largest to smallest.
Organ
Molecule
Organelle
. Atom
Organism
. Cells
. Tissues
Elements
Answer:
The levels, from smallest to largest, are: molecule, cell, tissue, organ, organ system, organism, population, community, ecosystem, biosphere.
Explanation:
The biological levels of organization of living things arranged from the simplest to most complex are: organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere.
Answer:
the matter
from largest to smallest.
- organism-organ-organelle-tissue-cell-atom-elements-molecule
who created the system for classfying and naming plants and animals
Answer:
carolos vonn lennaeus created
Answer:
sapana thapa created
Explanation:
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If 45 grams of NaNO3 is dissolved in 100 grams of water at 40 C, how much more is needed to have a saturated solution?
Answer:
I literally have no idea
After years of hard work you finally come up with a new chemical substance that
will revolutionize the world. What are it's properties? What do you call it? *
Zit be gone. a chemical that contains many natural healing plants that very quickly gets rid of zits. :) -weak answer but it's an answer I guess
Why does Sodium Chloride have a higher melting point than Sugar?
a. intermolecular forces are weaker
b. intermolecular forces are slightly stronger
c. intermolecular forces are very strong
d. melting point is based on composition and not bonding
Answer:
intermolecular forces are very strong
A container of hydrogen peroxide originally has a mass of 28.96 grams and then completely decomposes into water and oxygen gas. The mass of water produced is 15.33 g. What mass of oxygen gas was also produced?
Answer:
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What is permafrost? a. dry desert soil c. ice on the tundra b. muddy soil d. soil that is always frozen
Answer:
d. soil that is always frozen
Explanation:
Permafrost is the layer of ground that remains frozen the complete year. Soil, rocks and sediments collectively together forms the permafrost. Such soil may remain frozen for a period of two or more than two years. A large part of the Earth's surface has been covered by the layer of permafrost. These are found mainly near the high mountains and especially near North and South poles.
What unusual pattern occurs during El Niño
Explanation:
During this time, unusual winds cause warm surface water from the equator to move east, toward Central and South America. El Niño can
C. Which nonmetal appears to attract electrons the most?
Answer:
Fluorine appears to attract electrons the most.
Answer: The answer to the question would have to be FLOURINE !!
The partial pressures of CH4, N2, and O2 in a sample of gas were found to be 248 mm Hg, 707 mm Hg, and 518 mm Hg, respectively. What is the mole fraction of Nitrogen gas?
total pressure=248+707+518=1473mmHg
partial pressure=total pressure×mole fraction
mole fraction of N2
=partial pressure of N2/total pressure
=707mmHg/1473mmHg
=0.4800
A 196 mL sample of a gas at 36°C and 864 torr
is heated to 76°C and the pressure is allowed
to drop to 400 torr. What volume will the
gas
occupy at these new conditions?
Answer in units of mL.
PLEASE HELP
Answer:
A.
Explanation:
STOICHIOMETRY
3. Use this equation to answer the questions below: Br2 + Cl2 → 2BrCl.
a. How many moles of BrCl form when 2.74 mol Cl2 react with excess Br2?
Answer:
Explanation:
Br₂(g) + Cl₂(g) => 2BrCl(g)
excess 2.74mole ?moles
Rxn ratio is 1mole Cl₂(g) : 2mole BrCl which means the yield of BrCl must be larger mole value than the Cl₂(g) mole value. This is accomplished by multiplying the given moles Cl₂(g) by a ratio of coefficients that will make the results larger.
moles BrCl(g) produced = 2/1(2.47mole BrCl(g) = 5.48 mole BrCl(g)
Which of these choices is the best definition of absolute dating?
A. determining the age of a rock layer by studying the fossils present
B. finding the age of an object compared to other objects
C. measuring the age of an object in years using any method
D. determining the amount of a radioactive isotope in an object
Answer:
I think it's A because the sedimentary rock is also involved in finding the fossils to determine their phenotype and their roots.
What are the concentrations of sugar
Giving brainliest! Please help pleaseeee
Answer:
Id want to know how the nucleus looks like upclose, is it really that neutrons and protons are bond together, or are they just sticking in together. I'd also wanna look at electrons, or even possible hold them so that i can see the mass it really has
Explanation:
A child drops a ball from a bridge. The ball strikes the water under the bridge 2.0s later. What is the velocity of the ball when it hits the water
Answer:
20m/s
Explanation:
Given that :
Time, t = 2 seconds
Using the relation :
v = u + at
a = g is positive (downward)
V = final velocity
u = initial velocity = 0
v = u + gt
v = 0 + 10(2)
v = 20 m/s
The number of ions produced when a substance dissolves is always equal to the number of Adams in a chemical formula. What is incorrect about following statement?
Which two statements describe what happens to the nuclei of atoms during a fusion reaction? O A. Large nuclei break apart into two or more smaller nuclei. O B. A small amount of mass in the nuclei that combine is converted to energy. O c. Each nucleus formed has fewer protons than each original nucleus had. O D. Nuclei with small masses combine to form nuclei with larger masses.
Answer:
D. Nuclei with small masses combine to form nuclei with larger masses.
B. A small amount of mass in the nuclei that combine is converted to energy
Explanation:
A nuclear fusion, in contrary to fission, is the process by which the nuclei of two atoms combine to form a much larger atom with a large nuclei. Likewise, during a fusion reaction, a large amount of energy is released from the small amount of mass in the nuclei (two) that combines.
According to this question, the following are true of a fusion reaction:
- Nuclei with small masses combine to form nuclei with larger masses.
- A small amount of mass in the nuclei that combine is converted to enormous energy.
Which of the following is the best definition of frequency in waves?
How many waves pass a given point in 1 second.
How often waves of a certain sound are used in the air
The distance from the middle of the wave to the top of the crest
The distance from the crest of 1 wave to the crest of the next
3. A sample of air in a syringe exerts a pressure of 1.02 atm at 22.0°C. The syringe is placed in a boiling-water bath at 100.0°C. The
pressure is increased to 1.23 atm by pushing the plunger in, which reduces the volume to 0.224ml What was the initial volume?
Answer:
0.214 mL
explanation:
Ideal Gas law is applied to the ideal gases. The initial volume of air in the syringe when applied pressure and reducing the volume to 0.2234 mL is 0.214 mL.
What is the Ideal Gas Equation ?The equation relating all the characteristics of a gas and behaving or assuming to be ideal is the ideal gas law equation.
pV = nRT
Here, p is the pressure, V is the volume, R is the universal gas constant, n is the number of moles and T is the temperature.
According to the law, the initial and final values of gas are related as
[tex]\dfrac{P_{1} V_{1} }{T_{1} } =\dfrac{P_{2} V_{2} }{T_{2} }[/tex]
The initial pressure P₁ is 1.02 atm and final pressure P₂ is 1.23 atm.
The initial temperature T₁ is (22+273)=295 K and the final temperature (100+273)=373 K
The final volume V₂ given is 0.224 mL
Placing the values into the ideal gas equation and solving, we get the value of initial volume.
V₁= 0.214 mL
The initial volume of air in the syringe when applied pressure and reducing the volume to 0.2234 mL is 0.224 mL.
Learn more about Ideal gas law equation.
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What is the proper name for the common sunflower
Answer: Helianthus L. Sunflower
Explanation:
Answer: Helianthus L.
Explanation:
Q
1 At which electrode does reduction always take place?
2 Give the half-equation for the reaction at the anode, during
the electrolysis of these molten compounds:
a potassium chloride b calcium oxide
3 Give the two half-equations for the electrolysis of:
a a concentrated solution of hydrochloric acid, HCl
b a dilute solution of sodium nitrate, NaNO3
c a dilute solution of copper(II) chloride, CuCl2
Where do an organisms genes come from?
O Mother
O Father
O Both mother and father
O Neither mother nor father
Answer:
Organisms genes come from both mother and father :3
Explanation:
:3
what is the fluid used to make paper?
Answer:
MSDSs list Liquid Paper as containing titanium dioxide, solvent naphtha, mineral spirits, resins, dispersant, and fragrances. Liquid Paper came under scrutiny in the 1980s, due to concerns over recreational sniffing of the product. The organic solvent 1,1,1-trichloroethane was used as a thinner in the product.
Explanation:
The percentage composition of acetic acid is found to be 39.9% C, 6.7% H, and 53.4% O. What is the empirical formula of acetic acid?
Answer:
CH₂O
Explanation:
From the question given above, the following data were obtained:
Carbon (C) = 39.9%
Hydrogen (H) = 6.7%
Oxygen (O) = 53.4%
Empirical formula =?
The empirical formula of acetic acid can be obtained as follow:
C = 39.9%
H = 6.7%
O = 53.4%
Divide by their molar mass
C = 39.9 / 12 = 3.3
H = 6.7 / 1 = 6.7
O = 53.4 / 16 = 3.3
Divide by the smallest
C = 3.3 / 3.3 = 1
H = 6.7 / 3.3 = 2
O = 3.3 / 3.3 = 1
The empirical formula => CH₂O
Mrs. McGees class is making a list of examples of how weathering and erosion changes the surface of Earth. Which of the following should NOT be on the list?
A. Breaking down rocks
B. Creating a canyon
C. Building mountains4
D. Making new soil
Answer:
Building mountains.
Explanation:
Mountains are built by land being pushed over time. Its not made by weathering and erosion!
Hope this helps! :)
Write a set of rules for naming a binary molecular compound.
Answer:
Rule 1: Drop mono for the first element. Rule 2: Drop all prefixes if the first element is H. Rule 3: Drop the second o in mono prior to a vowel. Rule 4: Drop the a in prefixes ending in a prior to a vowel.
what are the formulas for the products of the reaction:
calcium chloride+ silver nitrate
Answer:
CaCl2 + 2AgNO3 = Ca(NO3)2 + 2AgCl
Explanation:
Calcium chloride react with silver nitrate to produce calcium nitrate and silver(1) chloride
Plz answer will give BRAINLIEST! Promise! Question is in picture! Due in 5 minutes!!
Answer:
try A
Explanation:
10. Which one of the following is not true about covalent bonds?
Most covalent substances do not dissolve well in water
Covalent bond can form polar and non polar bonds and shape
Covalent bond is one of the strongest bonds
Most of covalent substance does not conduct heat and electricity
Most covalent bonds have moderate to love melting and boiling point
Answer:
Most covalent bonds have moderate to love melting and boiling point
Explanation:
Most covalent compounds have relatively low melting points and boiling points.
