Answer:
D. the law of crosscutting relationships
Explanation:
The law of cross-cutting relationships can help explain the age of the rock as it relates to the surrounding rock.
This law is one of the premise of relative dating. The relationship between the intrusion and rock body or country rock is used to discern their age.
- When intrusions cross-cuts the host rocks, they are usually younger.
- The host rock must haven emplaced before the intrusion sets in
- The intrusion utilizes weak planes within the rock body to cool and solidify.
- Now, when they are emplaced, then a vein or other intrusive bodies forms.
Answer: Robert Hooke
Explanation:
In 1665, Robert Hooke, an English scientist, was the first person to see cells under the microscope and give them a name. This happened when he discovered honey-comb structures which he called "rooms" in the cork of an oak tree while using a magnified object - microscope.
The energy that you put into making the machine do work is a product of force and displacement.
If you have to go further with your input force, than the object is moved, then your advantage is increased.
Explanation:
Answer:Landforms of coastal erosion include cliffs, wave-cut platforms, caves, arches, stacks, stumps, and headlands, amongst others.
Explanation:
Answer:
In cases of immune system overactivity, the body attacks and damages its own tissues (autoimmune diseases). Immune deficiency diseases decrease the body's ability to fight invaders, causing vulnerability to infections.
Explanation: