Density is the ratio of an object's mass to its unit volume. Calculate the density of an object with a mass of 20 grams and a volume of 100 cubic centimeters. (D = m/v)
Choose the best answer below. Copy and paste the question and your answer into the text box.
A. 5 cm/g
B. 0.2 cm/g
C. 5 g/cm3
D. 0.2 g/cm3

Which of these has happened to your food by the time it reaches your small intestine? a. all the macromolecules have been broken down completely. b. lipids and starches have been partially broken down. c. starches and proteins have been partially broken down. d. proteins and lipids have been broken down into subunits.

Which is the correct formula for photosynthesis

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.