Location: test: question ( 7 of 62 )
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your science teacher tells you that in order to reduce erosion you should grow more
vegetation like plants and trees. why?
o
a. the leaves on plants and trees absorb
rainwater, which prevents it from running over
the land
b. the roots of plants and trees absorb water
that runs over the earth's surface
c. the roots of plants and trees hold the
soil in place
o
d. both b and c

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds

those characteristics are cellular organization, reproduction, metabolism, homeostasis, heredity, response to stimuli, growth and development, and adaptation through evolution. some things, such as a virus, demonstrate only a few of these characteristics and are, therefore, not alive