Answer:
I'm pretty sure it's 2n correct me if I'm wrong
Explanation:
I'm not to smart with this kind of stuff.
The thing that makes kes73 interesting to astronomers is ; ( A ) A second star.
kes73 is believed by astronomers to have come from the explosion of dying stars in the supernova. The gases from the dying stars explode and scatter across forming a colorful cloud known as kes73.
At the center of the colorful cloud formed from the gases of the dying stars is a second star ( magnetar ) which is the most powerful star in the galaxy due to its magnetic force.
Hence we can conclude that the thing that makes kes73 interesting to astronomers is the presence of a second star
Learn more : brainly.com/question/24245572
A physical environment with different species that interact with one another and with non-living thing is called an ecosystem
Answer:
When a household installs a dual flush toilet, the water is mainly conserved by limiting its consumption and thus eliminates the unnecessary loss of water. #2 is the answer
Explanation:
A dual flush toilet is similar to a standard toilet but includes some water conserving features.
Answer: The correct answer is- Converts solar energy to chemical energy.
Photosynthesis is a process of formation of food by green plants and algae using CO₂ and H₂O in the presence of sunlight. In this process, energy from sunlight is absorbed by chlorophyll ( green pigment present in the chloroplast) and it is converted into chemical energy in the form of ATP and NADPH. This is further utilized in the formation of food that is a carboydrate ( glucose).