The following diagram shows forces acting on a ball at the same time. Which direction will the ball most likely move? Up right down or left

How can you approximate the number of calories required to keep you in energy balance?

This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.

Which two criteria must be met before scientist can use radiocarbon dating? explain your answer