They believe that Earth's water originated from extraterrestrial sources such as comets which brought water to the planet.
A chloroplast are used for the process of photosynthesis which makes food
Answer:
Sand
Explanation:
Sand, with its larger particles and low nutritional content, retains the least amount of water, although it is easily replenished with water.
They can either be protons (positive) or electrons (negative)
Things that occur in photosnythesis, would be water, heat, UV rays from the sun, humidity, and plants
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