Answer:
D.A round-trip ride to school and back
Explanation:
A round-trip ride to school and back would produce a total Displacement of zero.
You start and stop at the same place.
Hope this helps!
Answer:
Human impact on the environment.
Explanation:
Human is the main responsible for the change in the environment. Human activities causes severe damage to the environment. The habitat of different species were destroyed by human for its own purpose. Large number of forest were eliminated for making land suitable for construction and living. Due to vehicles and industries, large amount of carbondioxide is emitted in the atmosphere which contribute in rising the temperature of the earth atmosphere. This global warming change the habitat of different organisms and these organism will die or migrate to other suitable places. Acid rain also occurs due to the emission of CO2, CO and SO2 from vehicles and industries. This acid rain causes adverse effect on the animals, plants and infrastructure or buildings.
Answer:
The virus integrates into long-lived immune system cells and remains dormant in those cells for many years.HIV's ability to hide its instructions inside of cells where drugs cannot reach it.
Hello There!
As well as the obvious negatives of volcanic eruptions, there are benefits too.
Volcanic eruptions can make the land very fertile.
Also, the lava contains many good minerals.
This makes it an ideal space for farming.
Hope This Helps You!
Good Luck :)
- Hannah ❤
