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:
The action of osmosis will cause the cell to shrivel up
Answer:
D
Explanation:
a statement that can be tested through a scientific investigation
Answer:
The two major pancreatic enzymes that digest proteins in the small intestine are chymotrypsin and trypsin. Trypsin activates other protein-digesting enzymes called proteases, and together, these enzymes break proteins down to tripeptides, dipeptides, and individual amino acids.
