Humans have species resistance to feline immunodeficiency virus for which of the following reasons?

Human cells do not have the chemical receptors required for attachment by feline immunodeficiency virus.
Feline immunodeficiency virus is a nonpathogenic virus.
Human phagocytes are extremely effective at eliminating feline immunodeficiency virus from the body.
Human cells produce a special type of interferon that protects against feline immunodeficiency virus.

Eristics do scientists use to distinguish between organisms in different kingdoms

Waianapanapa beach in hawaii is a black-sand beach that was formed by waves crashing against volcanic rock. the sand can be very hot on sunny days. which statement best explains why? o a. the black sand has no heat capacity. b. the black sand absorbs no radiation. o c. the black sand is immune to insolation. d. the black sand has a low albedo.

1. seamount a raised footwall block between normal fault creates this 2. syncline break between rocks where a hanging wall rises relative to a footwall 3. hot spring on rolling hills, this a dip between hills 4. volcanic neck created when a block with hanging walls slips down between normal faults 5. caldera underwater volcano that never reaches above sea level 6. horst natural hot water on earth's surface containing many minerals 7. graben underwater volcano whose top is eroded flat by waves 8. crater less than a mile in diameter; looks like a bowl at the top of a volcano 9. guyot magma that filled the central vent that remains after the volcano has eroded 10. reverse fault over 1 mile in diameter; looks like a bowl over a volcano