Answer:
CH4 has one carbon atom and 4 hydrogens, making a total of 5. MgO has 1 magnesium atom and 1 oxygen atom, making for a total of 2.
You would weigh less on Mars than on Earth because there's less gravity on Mars
Answer:
Studies have been conducted on synthetic products, including DDT and estrogen. The use of these synthetic products has been discontinued due to increased risk of cancer and other health concerns. Genetic engineering has increasingly been used in cattle, crops, and pharmaceuticals.
Explanation: