Traveling is important to learn new cultures, meet new people, and get supplies we need
Answer:
Option (1)
Explanation:
The primitive atmosphere of the earth was comprised of little or no oxygen. After the appearance of the first primitive organisms in the oceans and other water bodies, they started to use the water as a source of electron that helped them to carry out the photosynthesis process. The primitive organisms such as cyanobacteria were able to carry out this process, in the presence of sunlight, CO₂ and water, and in return, it produced the oxygen, mostly in the form of dissolved oxygen.
Thus, the correct answer is option (1).
Answer:
Option (B)
Explanation:
Alto-Cumulus is the type of middle atmospheric clouds that generally appear to be puffy and often look like floating cotton pieces. These clouds usually have a flat base and range from 2000 to 6000 meters above the ground surface. The apex of these clouds has rounded. They are commonly found between the warm front and cold front within a depression. They are mostly hidden by the clouds that are at a comparatively lower height. These clouds do not undergo precipitation.
Hence, the correct answer is option (B).
A ray is also called half-line
Relic Boundary is the correct answer :)