B. Composition mostly hydrogen and helium gas Mass 1.989 × 10³⁰ kg
Explanation:
The best data that describes the sun is that it's composition is made up of mostly hydrogen and helium gas with a mass of about 1.989 x 10³⁰kg.
- The sun is the largest body in our solar system and all planetary bodies revolves round it.
- At the core of the sun, nuclear fusion is occurring.
- Here, small atomic nuclei combines into larger ones with the release of a large amount of energy.
- The small nuclei are hydrogen and they produce helium.
- This process produce energy for the whole solar system.
- The sun is best defined as giant hot ball of gases.
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Soil profile is the description of the various layers that soil forms as they get buried underneath the surface of the earth.
Answer : Option C) It can be used for variety of activities and businesses.
Explanation : A private land can have multiple uses it can be used for any personal or commercial use. it depends on the owner of land what he /she wishes to build on it. It can have various activities done on the land or any business can also be carried out there.
The answer is "none of the above".
The smooth muscle is responsible for movement of food by peristalsis and mechanical digestion by segmentation.
Answer:
c. 1 and 6
Explanation:
the atomic number if carbon is 6 and it's in group 1
