It’s B the other person put D but that’s the cell wall or cell membrane
HOPE THIS HELPS !
The valence electrons of carbon are important because the valence give an element their bonding properties. If Carbon did not have as many, it would not be able to bond four times. or have many of the properties it possess.
Answer:
the body distributes more blood to the body surface where it can ... Changes in diameter affect peripheral resistance, pressure, and flow, which ... the aorta and carotid arteries: The aortic sinuses are found in the walls of the ... When blood pressure drops too low, the rate of baroreceptor firing decreases.
Explanation:
Division of body cells results in a greater variety of traits
Answer:
Igneous rocks and Metamorphic rocks determine the age of the earth.