Answer: D. Dams create water recreation areas.
Explanation:
Dams are electricity generation sites which use a large water body reservoir.
D. Dams create water recretion areas is the correct option because dams utilize turbines to generate electricity. The movement of the turbines helps in circulating water which prevents the growth of algae hence, helps in keeping the water fresh.
Answer:
Methanotrophs.
Explanation:
Methanotrophs are those microbes (bacteria) which feeds on methane or used methane as energy source for their survival. These type of microbes survive by using single carbon compound as a source of energy. So we can say that due to the presence of Methanotrophs, the level of methane decreases while there is no change occurs in oxygen saturation level.
<span>The four muscles, or sets of muscles, that contribute to proper posture to avoid low back pain are the abdominal muscles, hamstrings, erector spinae muscles, and the hip flexor.</span>