Answer:
The Sun is the major source of energy for organisms and the ecosystems of which they are a part. Producers such as plants, algae, and cyanobacteria use the energy from sunlight to make organic matter from carbon dioxide and water. This establishes the beginning of energy flow through almost all food webs
Molar mass of oxygen = mass of an oxygen atom×2 = 15.999×2 ≈16×2 = 32
Answer:
1077.3 molecular in 1.05*1026 molecules
Answer:
Speed, being a scalar quantity, is the rate at which an object covers distance. The average speed is the distance (a scalar quantity) per time ratio. On the other hand, velocity is a vector quantity; it is direction-aware. Velocity is the rate at which the position changes.
Answer:

Explanation:
'meters per second squared'
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