The first answer: "Mexico is the largest foreign supplier of marijuana and methamphetamine to the US market
A geochemical cycle that cycles material by mantle convection, subduction, and seafloor spreading
The answer is D. Exosphere
Exosphere is the outermost Layer of the Atmosphere that goes out about 500 - 10,000 Km in altitude.
It's the place where satellites and the space shuttle orbit the earth. Because it's difficult to define the boundary between exosphere and the outer space, exosphere may be considered as a part of outer space
<span>Five strategies needed by learners in taking </span><span>appropriate actions for availability of clean water maybe the ff:
(1) conserve water by turning off the faucet when unused;
(2) research more on how to conserve water
(3) use social media to spread awareness of conservation of water
(4) innovate ideas on conservation of water
(5) make machines that can filter water's impurities</span>
