Answer:
How Much does the earth weigh?
5.972 × 10^24 kg
How far away is the sun?
92.351 million mi
What is a black hole?
A black hole is a place in space where gravity pulls so much that even light can not get out.
How do airplanes fly?
Four forces keep an airplane in the sky. They are lift, weight, thrust and drag. Lift pushes the airplane up. The way air moves around the wings gives the airplane lift.
How are rainbows made?
A rainbow is caused by sunlight and atmospheric conditions. Light enters a water droplet, slowing down and bending as it goes from air to denser water. The light reflects off the inside of the droplet, separating into its component wavelengths--or colors
Explanation:
Answer: Septum
In short, your answer is choice C
Hope this helps!
Answer: The answer is B- Diffusion of calcium ions through NMDA receptors.
Explanation:
Phantom limb pain (PLP) is a painful sensation experienced after the loss or amputation of a limb. The limb is no longer there but the individual can still feel real and severe pains in the limb. This occurs soon after surgery.
NMDA is a receptor for Glutamate which is an excitatory neurotransmitter. The activation of NMDA receptors are associated with hyperalgesia which is an abnormally heightened sensitivity to pain.
The answer is most likely c
