Los sobrecruzamientos entrecruzamientos o crossing-over son

Explanation:

U.S. imports of pasta increased from 290 million pounds in 1990 (t=0), by an average of 52 million pounds per year. Estimate U.S. pasta import (in million pounds) in the year 2005, assuming the import trend continued.

a.

780 million pounds

b.

2,295 million pounds

c.

1,122 million pounds

d.

342 million pounds

e.

1,070 million pounds

um what? ;-;

Explanation:

b. the carbon cycle ensures living things have a source of hydrogen

what is this saying?