The mediastinum separates: a. The thoracic cavity into right and left parts.

b. The thoracic cavity from the abdominal cavity.
c. The thoracic cavity from the pelvic cavity.
d. The abdominal cavity from the pelvic cavity.
e. The abdominal cavity into right and left parts.

complete the square on the right side of the equation;

-5(x + 0)^2 + 15

answer: d. y = -x^2 + 15

it takes hundreds of years to become stable.

if you have another question lmk.

a. seed plant structure. 1. the three main plant organs are roots, stems, and leaves. a fourth kind of tissue, meristematic tissue, is responsible for plant growth. meristematic tissue is the only plant tissue that produces new cells by mitosis. plants can lose water out of their leaves as they exchange gases with the air

explanation: