(Q).
Q: Coral reefs and tropical rainforests are ecosystems known for what, contributing greatly to the species in existence on earth? Choices: - commensalism - mass migrations - spontaneous mutation - biodiversity A:
(A).
biodiversity

(Q).
Q: What are monosaccharides and disaccharides also called? Choices: - simple chemicals - basic sugars - complex sugars - simple sugars A:
(A).
simple sugars

(Q).
Q: Acidity is measured on what kind of scale? Choices: - electromagnetic scale - caloric scale - pneumatic scale - ph scale A:
(A).
ph scale