Answer:
A. Expulsion of fetus before 20th-28th week of gestation
Answer N0 1)
Lights are left on overnight:
If lights are left on overnight, then the process of photosynthesis will also occur during the night time when the sun is not present. Hence, this method is beneficial.
Farmers can also add fertilizers to the soil:
The addition of fertilizers to the soil allows essential nutrients to be taken up by the plant which will enhance its photosynthetic activity.
Extra carbon dioxide can be pumped into the green house. This comes from the burning of fuel like paraffin which releases. Carbon dioxide as a by-product.
Plants convert carbon dioxide and water into oxygen and glucose during photosynthesis. Hence, this process can be somewhat beneficial.
Fossil fuels are burnt (expensive) to keep the green house nice and warm.
Burning of fossil fuels to keep the green house warm is not an efficient process because this will deplete the natural resources.
Answer No 2)
Plants are protected from unfavourable conditions in a green house. Conditions such as harsh temperatures or harsh wind or floods can completely destroy crop plants. Hence, plants can be grown in the green house where favorable conditions are maintained for their growth.
I think the answer is nitrogen fixation.
<h3>
Answer: B. global warming</h3>
As more CO2 (carbon dioxide) is released into the atmosphere, it traps more heat energy from the sun, and slowly warms the average temperature of the earth. This is the simplified version of what global warming is. Carbon dioxide is considered a greenhouse gas.
Answer:
The molecule will be more likely to be DNA.
Explanation:
Among the two nucleic acids, DNA is double stranded. The molecule which is being isolated from the alien creature is also double stranded so it can slightly resemble the DNA than RNA, which is the single stranded molecule.
