PLEASE ANSWER QUICKLY Check the correct statements regarding a compound and a molecule:

A compound consists of two or more distinct atoms
a molecule is only found as the subunit of a compound
a molecule may consist of two similar elements chemically bonded
a compound consists of any two or more atoms chemically bonded

correct answer is option a.

tropopause, stratopause and mesopause have all in common aspect that is point of maximum temperature in its layer of the atmosphere. all layers of atmosphere observe abrupt change in temperature. tropopause is the boundary between troposphere and stratosphere. stratopause is the boundary between stratosphere and mesosphere. mesopause is the boundary between mesosphere and thermosphere. these all boundaries are ranges between altitude of 0 to 80 km.

it would affect precipitation by causing flooding in some areas of the world due to climate increasing, causing the glaciers in the northern and southern pole of our planet to melt.

i wish you would have provided choices to simplify it and allow me to give an exact answer.

frogs. the lower the ph the higher the acid content. frogs have the highest tolerance in this scenario.