Answer:
D is the answer.
Explanation:
The deeper into Earth's crust, the higher the pressure that forms metamorphic rocks.
Answer:
The retrovirus known as human immunodeficiency virus (HIV) causes acquired immunodeficiency syndrome (AIDS) in humans.
Explanation:
The correct answers are "sometimes, no change or reduced".
If our sensory systems are exposed to the same exact stimulus repeatedly, sometimes it causes our sensory systems to react and sometimes it has no effect. In some cases, it may have a reduction of sensitivity, but sometimes it has no effect to our sensory systems.
