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Root hairs, a part of the root tissue system, does what?

Answer:

The third option is correct.

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help i don’t know the answer

. Rain washing away soil from a hillside is an example of.... *
1 point
weathering
erosion
deposition
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1 pts
Question 9
Which of these is an example of biomass energy?
O A coal-burning generator.
O A gasoline-burning automobile.
O A wood-burning stove.
O An automobile that operates on fuel cells.

Which body part represents the notochord in vertebrates

2. Which country began studies on bioterrorist weapons in the 1930s? What
was the program known as? How did other countries respond to this?
3. Why is plague attractive as a bioterrorism weapon?
4. How did the English use smallpox during the French and Indian War?
5. Which country loaded botulism toxins into bombs? Why is botulism of less
concern than anthrax or plague?
6. What animal is tularemia most associated with? How can humans become
infected? In what ways might it be transferred to humans as a bioterrorism
weapon?
7. Why do you think countries or groups might use these diseases as
bioterrorist weapons? What advantages would they have over other types

In a flock of birds, parents can raise small clutches on their own but can increase their clutch size if they have a helper. You want to see if altruistic behavior is likely to spread. To do this you observed a male bird that stayed at his birth nest for a year to help raise the offspring of his father and his stepmother (the original mother died) and then built his own nest the following year. You calculated direct fitness (cost) for the male bird by counting the number of offspring he produced in one year and multiplied it by ½ due to the relatedness between parents and offspring. To calculate his indirect fitness (benefit), you took the total number of offspring produced in his birth nest by his father and stepmother when he assisted them and multiplied it by ½. To determine if this altruistic behavior would spread you subtracted the cost from the benefit to determine whether it was greater than 1. What did you do wrong

What are 3 ideas a family has on individuals?​

Hemophilia is
A. an autosomal dominant inherritated disorder
B. an autosomal recessive inherited disorder
C. an Y- linked recessive disorder
D. an X- linked recessive inherited disorder ​

What percentage of the possible offspring will be hybrids?

When fibers are found at a crime scene, they become valuable only when the forensic scientist can determine where
the fiber came from.
True or False

Importance of photosynthesis to humans

Which number label represents the nucleus? 6 5 3 2

What is the "first second" in relation to the Big Bang theory?

Which tectonic plate lies underneath the starred region? *
A. African
B. Pacific

C. Indo-Australian
D. Eurasian

The diagram illustrates the foraging distribution of three different species of waterfowl in a pond and surrounding wetland areas.
Which statement accurately explains the phenomenon shown in the illustration?

I WILL MARK U AS BRAINLIEST
​

You are traveling 60 mi/hr. You have traveled for 3 hours, how far have you gone?

haploid daughter cells form

Explain how vaccinations can protect you from infectious diseases such as measles and chicken pox.

g Sickle-cell anemia arises from a mutation in the gene for the beta chain of human hemoglobin. The change from a GAG to a GTG in the mutant eliminates a cleavage site for the restriction enzyme MstII, which recognizes the target sequence CCTGAGG. These findings form the basis of a diagnostic test for

What are some thinks we won't be able to do if our bones weren't connected?

In Hereford cattle, one gene determines whether or not a cow will have horns. The allele that produces horns is recessive (h), and the allele
that results in no horns is dominant (H).
If 2 heterozygous cows mate, what are the predicted phenotypes of their offspring?

Which of the following can be explained as a mathematical formula
A. An observation
B. A Scientific theory
C. A Scientific Law
D. A hypothesis

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anyone know this I don’t get the question

[8 points]
April is a new photographer excited about her first time out on assignment. She is accompanying a wildlife photographer on a trip to capture the cute puffins found on the barrier Islands off the coast of Ireland. April tells her new boss that she would love to catch a photo of one of the puffins on a nest with a chick. April's boss smiles but tells her that she will have to take what she can get. Which sentence describes the challenge that April will MOST LIKELY face?

A. Wild animals are not easy to photograph.
B. wild animals move around constantly.
c. Wild animals won't like being positioned.
D. wild animals are not easy to find.​

Which experiment would BEST investigate the effect temperature has on the volume of a gas?

A.
Inflate one balloon to a large volume and another balloon to a small volume. Measure the temperature of the air released from both balloons.

B.
Stretch a balloon over the top of a beaker filled with baking soda and vinegar, then observe how the balloon changes volume as the reaction occurs.

C.
Measure the volume of a balloon filled with room temperature air; place the balloon in a freezer for an hour and measure its volume again.

D.
Measure the pressure of the air in a bicycle tire on a cold day.

Determine the value of the charge of an electron

Sort the different functions of the mouth and stomach.
Mouth
Stomach
Proteins are broken down.
Food is squeezed.
Food is mixed with acid.
Carbohydrates are broken down.
Food is cut into pieces.
Food becomes moist

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