Answer:
Concentrations of carbon dioxide are altering the earth's climate.
Explanation:
Carbon dioxide is a greenhouse gas. This means it causes heat to be trapped in the earth atmosphere hence causing a rise in global temperatures resulting in global warming. Global warming has a direct impact on climate change resulting in phenomenons like the rapid ice caps melting and increasing ocean levels.
The correct answer is vital capacity (VC).
<span>
Vital capacity is the full amount of air that
the lungs can expel after having been filled to maximum. It can be a measure of
a person’s respiratory health and is usually measured regular spirometer.</span>
Answer:
Explanation:
Energy is absorbed to break bonds. Bond-breaking is an endothermic process. ... Bond-making is an exothermic process. if a reaction is endothermic or exthermic depends on the difference between the energy needed to break bonds and the energy released when new bonds form.
answer:
area = r² * π
40² *π
1600 * 3.142 = 5027.2 cm²
Explanation:
if the diameter is 80 then this is the asnwer , and the diameter divide it by 2 so u can find the radius