Which factors add to the greenhouse effect and are caused by human activities? Select two options.
a decrease in the amount of dust in the atmosphere
a decrease in the amount of water on Earth’s surface
an increase in gases in the atmosphere that absorb heat
an increase in surfaces that radiate energy into the atmosphere
an increase in the amount of solar radiation that reflects into space
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Ответ:
C
Explanation:
greenhouse gases keep heat on the earth
Ответ:
CRISPR-Cas9 is a genome editing tool that is creating a buzz in the science world. It is faster, cheaper and more accurate than previous techniques of editing DNA and has a wide range of potential applications.
Explanation:
HOW CRISPR IS DIFFERENT FROM OTHER TECHNOLOGIES
CRISPR-Cpf1 differs in several important ways from the previously described Cas9, with significant implications for research and therapeutics. ... The Cpf1 system is simpler in that it requires only a single RNA. The Cpf1 enzyme is also smaller than the standard SpCas9, making it easier to deliver into cells and tissues.