Answer:
The crust is made of solid rocks and minerals. ... kilometers) beneath the ocean floor, is mostly composed of different types of basalts
Explanation:
C, when you’ve sat still for a few minutes. Your resting heart rate is your heart rate when you’re not moving, so this would be the optimal time.
Answer:
A. Interferons
Explanation:
According to Wikipedia, "Interferons are a group of signaling proteins made and released by host cells in response to the presence of several viruses. In a typical scenario, a virus-infected cell will release interferons causing nearby cells to heighten their anti-viral defenses."