(Q).
Q: Sulfate is used as a cleaning agent because it is acidic and soluble in what substance? Choices: - air - salt - oxygen - water A:
(A).
water

(Q).
Q: What are the two basic types of competition called? Choices: - exploitative and beneficial - weak and strong - interference and interaction - instraspecifc and interspecific A:
(A).
instraspecifc and interspecific

(Q).
Q: The shape of earlobes is an example of what kind of trait, which is influenced by genes and passed along through generations? Choices: - instinct - acquired trait - genetic disorder - inherited trait A:
(A).
inherited trait