Is a type of soil that has significant amounts of sand, silt, and clay. a. loam b. loess c. humus d. all of these

Hi!

The answer should be the first options A.

Explanation: Loam is a type of soil that has significant amounts of sand, silt, and clay. Hope this helps! Thank you for posting your question at here on Have a great day! -Charlie

answer; ////increased water pollution; ///////////////////////

many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.