Chewing bread, tearing paper, breaking rocks
<h2>Answer:</h2>
Mesosphere
<h2>Explanation:</h2>
The atmospheric layer that protects the Earth against danger of the rocks is the mesosphere. This layer is above the stratosphere. The temperature drops in this layer to about -100 degrees Celsius. This is the coldest region of the atmosphere. The mesosphere burns up most meteors and asteroids before they are able to reach the earth's surface. It becomes cold enough to freeze water vapor in its atmosphere into ice clouds.
Answer:
1. B
2. C
(check with your teacher to make sure and explain it to you)
DNA, Gene, chromosome, nucleus, Cell
"Pituitary Gland" secretes the Growth hormone.
[ Remember it is a Gland not an organ,]
Hope this helps!