Fossil evidence and other observations have enabled scientists to recognize several trends in hominid evolution. which of the following correctly states the order of development of hominid characteristic and traits?

a-first the ability to make and use tools, then to walk upright on two legs.

b-a larger brain developed into a smaller brain.

c-first language developed then the ability to make and use tools.

d-first the ability to walk upright on two legs, then ability to use and make tools.

The specific heat of ice is 0.5 calories/gram°c. 20 grams of ice will require ll calories to raise the temperature 1°c. 05

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.

In what part of the body does the most muscle activity happen?