I will give the BRAINIEST why is wind an agent of mechanical weathering?

A. wind carries sediment that causes abrasion of exposed rock

B. wind carries oxygen moleculex that react with iron in exposed rock

C. wind carries water vapor that react with minerals in rocks to break it down

D. all of the above

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.

Gram-negative bacteria have a cell wall that is! and does not accept the stain, making itappear

Pulmonary arteries carry highly oxygenated blood. true or false?