What is a possible explanation for why the giant ice caps that covered a
supercontinent in the Paleozoic era melted?
O
A. Volcanic outgassing increased the greenhouse effect.
O
B. Oxygen in the atmosphere built up, raising global temperatures.
O
C. Plant life turned oxygen into carbon dioxide, increasing the
temperature.
O
D. Marine life thrived during this period.

I believe the answer might be A.
I apologize if it’s wrong

That statement is true.

1. when the tempature rises,your sweat glands and then springs into action making perspiration. some sweat evaporates with your skin taling heat with it.2.some of the blood pumped by the heart travels by your lungs to get rid of carbon dioxide and pick up oxygen.3.saliva produces by, you drinking water which saliva is 98% of. when mucus builds up in your body it also creates saliva as well as, antibacterial compunds.4.when the core body tempature drops, the shivering reflex is triggered to maintain homeostasis. for example: when you get out the pool you start to shiver because it is cold.