Nitrogen fixation nitrogen in the air is converted into ammonia (NH 3) or related compounds in soil. What is the most common way this happens?

Which of the following is a main difference in cell structure between an onion cell and a human cheek cell? a. an onion cell contains one nucleus, whereas a human cheek cell contains two nuclei. b. an onion cell has a cell wall. c. a human cheek cell contains chloroplasts. d. there is no difference between an onion cell and a human cheek cell. you for your.

Discuss cell surface transport in the structure of constituents

Which type of landform forms at the plate boundary as a result of divergent stress