The smallest unit that retains the properties of an element is a(n)

Fungi are classified into how many groups? a. 1 group b. 2 groups c. 3 groups d. 4 groups

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

If you relate the doppler effect on sound to the color of light waves, a police car would be the color as it approaches and the color as it recedes away from the observer.