Answer:
Scientists look into Earth's past to predict future effects of climate change or the very distant past, as well as those who study the present, to help make predictions about what the future holds for life on Earth as climate shifts.
Explanation:
THE ANSWER IS 4 YOU LITTLE KITTY HAAAAAAAAAAAAA.
(edit) Sorry i got carried away. :p
Antibiotics are meant to kill living things (bacteria). Viruses, on the other hand, we are not sure if they would classify as living. Viruses change the meaning of "life" if we consider them alive. They can <em>only </em>reproduce within another cell by taking over that cell. An antibiotic would have to be able to kill human cells to kill a virus, and that would not be a good medicine to take. Viruses invade a host cell and incorporate the virus DNA into the host cell's DNA, which would cause the host cell to create more viruses to invade other cells. <span />
Chlorophyll<span> and the photosynthesis process are inside an organelle called a </span>chloroplast<span>. </span>Chlorophyll<span> is also the pigment that gives plants their green color. </span>
Answer:
COAL
Explanation:
Secondary energy refers to the more convenient forms of energy which are transformed from other, primary, energy sources through energy conversion processes. Examples are electricity, which is transformed from primary sources such as coal, raw oil, fuel oil, natural gas, wind, sun, streaming water, nuclear power, gasoline etc., but also refined fuels such as gasoline or synthetic fuels such as hydrogen fuels.