Which phrase best describes what a soil horizon is? A the bottom layer of a soil profile
B each layer of a soil profile
C the place where two soil profiles meet
D the place where a soil profile meets bedrock

Ryan rears sheep for their wool. recently the quantity of wool that ryan gets has diminished. this is because the new sheep are not that wooly. ryan should add which nutrient to their feed so that the sheep becomes more wooly? a.cornb.ironc.cottonseedd. vitamin a

Do plant cells perform cellular respiration?

What is the most common structure of volcanoes?