Which of the following describes surface tension in water? Choose 1
Choose 1

(Choice A)
A
Surface tension occurs due to ionic bonding.

(Choice B)
B
Surface tension is caused by water molecules repelling one another.

(Choice C)
C
Surface tension allows water to support small objects if they are placed carefully on its surface.

(Choice D)
D
Surface tension of water is weakened by hydrogen bonding.

Modern whales developed their traits through natural selection what occurs during the process of natural selection

Select the correct answer. which mutation is harmful to the organism? a. a mutation allowing moths to camouflage better on blackened tree bark b. a mutation making staphylococcus aureus resistant to the antibiotic methicillin c. a mutation inhibiting human immunodeficiency virus from attaching to and entering the cell d. a mutation causing uncontrolled cell division e. a mutation giving plant leaves a bitter taste to discourage herbivores from eating them

Homo heidelbergensis was a tall, muscular hunter, who used both tools and weapons. because h. heidelbergensis was not a gatherer/forager, but ate a varied diet including meat and fish, we would expect to see what anatomical changes?