Answer:
solar energy warms most of the earths surface
A mixture is 2 or more different elements not bonded together
Example : N2 or O2
I think the puck pushes the stick backwards
Answer:
When a body moves along a straight line with uniform speed or steady speed is called Uniform motion. When a body moves along a straight line but with variable or change in speed is called non-uniform motion.Hope this answer helps.
Answer:
Acidity
Explanation:
pH measures how acidic or basic a substance is.