Which type of greenhouse gases have a human source? nitrous oxide
water vapor
fluorinated
gases
O carbon dioxide

Which of the following is an advantage of solar energy?

What is the identity of the planets?

What is the function of the root cap? a. extra-absorbent cells in the root cap absorb more water and nutrients b. protect the meristematic area of the stem c. contains sensors for sunlight d. increases surface area of the root