it is multiple choice

Answer:

I think its b but I'm not sure

don't hate me if I'm wrong

Answer:

Solvent

Explanation:

Answer:

PHYSICS

the distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave.

"a range of wavelengths"

2.

a person's ideas and way of thinking, especially as it affects their ability to communicate with others.

"when we met we hit it off immediately—we're on the same wavelength"

➜ Plants do not move. In a large plant body there are many dead cells like schlerenchyma which provide strength to the plant but do not perform any cellular function. As a result they requires less energy. Animals, on the other hand, need energy for different activities like movement or search or food. So, they require more energy.

➥ Plants have low energy needs as compared to animals because they do not move. Moreover, in a large plant there are many dead cells like sclerenchyma because of which they also need less energy.

Answer:

Emphysema can lead to destruction of the alveoli, the tiny air sacs that allow oxygen to get into the blood. Their destruction leads to the formation of large air pockets in the lung called bullae. These bullae do not exchange oxygen and carbon dioxide like normal lung tissue. Also, the bullae can become very large.

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Scientists determine the absolute age of rocks and fossils with the help of a method known as radiometric dating.

Fossils may be defined as the dead and organic preserved traces of past living organisms that were buried deep onto the earth millions of years ago.

Radiometric dating is a methodology that is utilized in order to determine or estimate the age of an object on the basis of the concentration of a particular radioactive isotope that is significantly contained within it and the half-life of that isotope as well.

The main evidence for determining the absolute age comes from radiometric dating methods, such as carbon-14 dating. Such types of methods depend on radioactive decay.

Therefore, the radioactive dating method is one of the methods through which scientists determine the absolute age of rocks and fossils.

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Answer:

Sperm + egg----- zygote.

Explanation:

During sexual reproduction, a male sperm fuse with female eggs forming a new organism. Male sperm and female eggs have haploid number of chromosomes but when they fuse with each other a zygote will formed having diploid number of chromosomes. The gametes of male and female have haploid number of chromosomes due to meiosis cell division.

Answer:

The ovaries. They produce the women's eggs.

Explanation:

Estrogen helps control the menstrual cycle and also helps childbearing.  

The hormone estrogen is highly produced by ovaries, while some of the estrogen is also produced by the adrenal gland.

Hormones may be defined as the chemical substances which are secreted by the endocrine glands and are transported to the target site via the bloodstream.

There are numerous functions of the hormone estrogen found in the body of a human female.

It helps in stimulating the growth of the egg follicle. It regulates the menstrual cycle. It also controls the thickness of uterine mucus secretions.

Therefore, it is well described above.

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Answer: A is for sure the answer

Explanation:

Answer:

C) semipermeable

Explanation:

because permeable means it allows things through, and then semi makes it to where it only allows certain things through

and Impermeable means it won't let things through  and the other two options just don't make sense for the question

Answer:

What causes Precipitation to fall to the earth surface is when water vapor condenses into bigger and bigger droplets of water. When the drops are heavy enough, they fall to the Earth.

Answer:

somatic cells?

Explanation:

Answer:

true

Explanation:

that's why theres something claled the superbacteria

Answer:

When a liquid is heated, the molecules gain energy. This means they move and vibrate more, causing them to escape in the atmosphere.

Answer:

I think it would be C, that is the only one that makes sense to me. Hope i can help

Explanation:

Answer:

Making food

Explanation:

Answer:

c. In the middle of a plate

Explanation:

When the plates move they form a volcanoe.

Answer:

I think its glucose

Explanation:

Answer:

glucose

Explanation:

Cells use carbon dioxide and energy from the sun to make sugar molecules and oxygen.

Answer:

Explanation:

The climate of Ireland is mild, humid and changeable with abundant rainfall and a lack of temperature extremes. January and February are the coldest months of the year, and mean daily air temperatures fall between 4 and 7 °C (39.2 and 44.6 °F) during these months.

                                                  Explanations:

Physical change: Physical change is like when the appearance of an object or whatever is changed, and doesn't look much different. Not in a completely new unrecognizable form/substance.

Chemical change: Chemical change is when the appearance of an object is fully changed, unrecognizable, and into a new form/substance

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Answer:

(B) and (E)

Explanation:

It is not option (A) because it says that Lactobacillus is a kind of bacteria that harms you, not is good for you, and parasitic bacteria are harmful to you, so not (A).

Not (C) because it does not make any sense whatsoever.

Not (D) since that says that S. typhi has a mutualistic relationship, which is good for both organisms, which is not true in this case.

It is (B) because the harmful bacteria, S. typhi is a parasite to humans.

It is also (E) since that says that the Lactobacillus bacteria does share a good relationship with humans.

there are 4 chromosomes in the sex cells of each fly

Answer:

The difference between C3, C4, and CAM photosynthesis is the way plants extract carbon dioxide from sunlight. This depends largely on the plant's habitat. C3 photosynthesis produces three-carbon compound via the Calvin cycle while C4 photosynthesis makes an intermediate four-carbon compound that splits into a three-carbon compound for the Calvin cycle. Plants that use CAM photosynthesis gather sunlight during the day and fix carbon dioxide molecules at night.

CAM plants open their stomata at night, C3, and C4 open during the day.

Explanation:

Answer:

In this lab, you dissected a flower. The modified leaves that surround the reproductive parts are called petals. These structures help attract pollinators to the flower. The pistil is the female reproductive organ, which contains three segments: the stigma, style, and ovary.

In this lab, you dissected a flower. The modified leaves that surround the reproductive parts are called petals. These structures help attract pollinators to the flower. The pistil is the female reproductive organ, which contains three segments: the stigma, style, and ovary.

One ovary is located on either side of the uterus in the majority of females. They have two primary functions: generating hormones and releasing eggs. They are roughly the size and shape of an almond.

At birth, two ovaries each hold about 700,000 immature eggs, or oocytes (Trusted Source). These eggs start to grow and mature inside the ovary follicles after a person reaches puberty.

A developed egg is released by the ovaries around once every month. The menstrual cycle includes a process called ovulation, which is what gives rise to eggs.

Therefore, In this lab, you dissected a flower. The modified leaves that surround the reproductive parts are called petals. These structures help attract pollinators to the flower. The pistil is the female reproductive organ, which contains three segments: the stigma, style, and ovary.

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