If pore space comprises 60% of the total volume of a soil and half of this pore space is filled with water, how much of the total volume of the soil will be filled with air?

a. 30%

b. 40%

c. 50%

d. 60%

In your own words, explain how fossil records of the past are reliable sources of information about evolution of life on Earth.

A plant leaf is he is an organ that traps light energy to make food in what way is an animal stomach similar to a plant leaf

The full moon about once a month what process will verify the student claim

Which reminds the same as the distance of an object from earth changes? Size of the force, strength of gravity, mass of the object, weight of the object

Why is atp necessary for active transport? why is atp necessary for active transport? atp provides energy to transfer material against its concentration gradient. atp is a constituent of the electrochemical gradient.

You are a geneticist trying to develop a sunflower with red flowers and a short stem. as you compare the sunflowers you have, what genetic variations would you look for? what kinds of plants would you select for crossing?

How are Amino acids linked to become proteins?

1. Explain what is the "Sea Floor Spread" with examples. 2. Explain "Continental Slide" with your own example. 3. How do you explain Transform Boundary after going through the "Slippin' and a Slidin' ".

Differences between prokaryotic and eukaryotic promoters?

Why does directionality in carbohydrates matter?