Answer:
C
Explanation:
Because it shows how much humans have impacted the climate and shows how much of a cooling effect.
Answer:
This is because there is no air in space – it is a vacuum. Sound waves cannot travel through a vacuum. ... Even the emptiest parts of space contain at least a few hundred atoms or molecules per cubic metre. Space is also filled with many forms of radiation that are dangerous to astronauts.
Answer:
The principal components of the plasma membrane are lipids ( phospholipids and cholesterol), proteins, and carbohydrates.
Answer:
The correct order is 3, 4, 2 and 1.
Explanation:
Atherosclerosis refers to the condition in which the plaque gets accumulate within the blood vessels' walls. In the condition, inflammation occurs in the arteries' inner lining. The following is the sequence of events that results in atherosclerosis is:
1. A huge concentration of LDL cholesterol gets gathered within the inner walls of the arteries.
2. This causes discharging of macrophages to the site.
3. The engorgement of WBCs takes place with fatty deposits.
4. The hardening of plaques takes place, which eventually prevents the flow of blood in the prime arteries.
<span>More than 50</span>. There are more than 7000 chemicals in cigarette smoke, 250 of which are known to be detrimental to health and 69 chemicals are carcinogenic (can cause cancer). Some of the carcinogenic chemicals in cigarette smoke are: Arsenic, Cadmium, Chromium, Formaldehyde and Nickel.
