Which statement best describes the exosphere?

1.) It extends down to sea level.

2.) It is the place where meteors burn out.

3.) It is the layer where we observe lighting.

4.) It is the last layer of the atmosphere before space.

The most valuable native element mineral is gold. True False

Cladodes are modified stems. which is their main function? A. Water retention B. Food storage C. Photosynthesis

In a cross between two mice that are heterozygous for agouti, black, color, and piebaldism, what is the probability that offspring will have solid black fur along with large patches of white fur?

L is a type of physical weathering. O A. Solution O B. Hydration O C. Abrasion O D. Carbonation

The french biologist lamarck proposed that

What are three heat sources for metamorphism?

About 10% of women experience severe pain at the entrance of the vagina. this is known as

Which of the following correctly describes homeostasis in protists? (A) Paramecium maintain homeostasis by swelling and bursting (B) Vacuoles allow water to enter and exit the paramecium (C) Flagella allow paramecia to move through a substance (D)

List 4 observations that indicate that a chemical reaction may be taking place

Which statement describes the light reaction of photosynthesis? A. Water molecules are combined to make food. B. Air and water create energy for a plant. C. Carbon dioxide is put together with glucose. D. Water molecules are split apart.