What two major reactions take place in photosynthesis?

All of the following are major european ethnic groups except a celtic b. germanic c slavie iberian d select the best answer from the choices provided.

Zac wanted to determine the measure of r and of ? r in the triangle below. to fine the measure of r, zac sets up the problem.42^2 + 24^2 = r 2. determine whether zac set the problem up correctly.

Which soil layers comprise the topsoil? o horizon a horizon b horizon c horizon