It is all of them. To be alive we all kind of have to have a face or body, we all need cells to help us with our day to day activities and we all need to communicate with other humans so that would be social behavior.
Answer:
Cause: Dropping the egg
Effect: The egg breaks
Explanation:
Assuming there is no comfort for the egg when it reaches the ground or surface you're dropping it on, the egg will break. The egg breaks because you dropped it 4 feet, making the effect be the broken egg.
Answer:
I am pretty sure it is A or D sorry if this does not help
A combination of two or more metals is called and Alloy.