Answer:
A ph base less than 7 is acidic they have more h30+ ions sorry that all I know
It keeps the temperature on Earth - moderate
Earth would overheat if the sea wasn't able to retain large amounts of heat
Abiotic factors (non-living things) in a tropical rainforest include temperature, humidity, soil composition, air, and many others. A few of the many biotic factors (living things) in that forest are toucans, frogs, snakes, and anteaters. All of the biotic factors are dependent upon the abiotic factors