1. <span>The North Star, or Polaris, is the brightest star in the constellation Ursa Minor, the little bear (also known as the Little Dipper). As viewed by observers in the Northern Hemisphere, Polaris occupies a special place. The point in the night sky where the projection of the earth's axis lies is known as the North Celestial Pole (NCP). As the earth rotates on its axis (once every 24 hours), the stars in the northern sky appear to revolve around the NCP. Polaris lies roughly one half degree from the NCP, so this particular star appears to remain stationary hour after hour and night after night. 2.</span>
<h2>Photosynthesis is an endergonic reaction bearing in mind the synthesis of sugar requires energy absorbed from sunlight</h2>
Explanation:
- A chemical reaction is a reaction between reactants to form products which require energy input called activation energy.
- With this activation energy, certain reactions will release energy out to the surroundings whereas some end up absorbing the energy from the surrounding.
- The reactions which absorb energy present in the surrounding like solar energy are termed endergonic reactions. Synthetic and break down reactions which absorb energy are endergonic reactions.
- So synthesis of sugar molecules by the reaction of carbon dioxide and water by absorbing energy from sunlight is an endergonic reaction.
D. Nourishment.
It is not protecting nor is it giving the fox company. And certainly it is not reproduction.
Hope this helps! :)
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Answer:
B
Explanation:-
Plants absorb water from the soil by osmosis. They absorb mineral ions by active transport, against the concentration gradient. Root hair cells are adapted for taking up water and mineral ions by having a large surface area to increase the rate of absorption.
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