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coldgirl [10]
3 years ago
6

An object is dropped on earth from a height of 15 m. How long does it take to reach the ground

Biology
1 answer:
maks197457 [2]3 years ago
4 0
Speed = 17.2 m/s...................
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Three characteristics used to identify a tree
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Norman Triplett observed that adolescents wound a fishing reel faster in the presence of someone working simultaneously on the s
slavikrds [6]

Answer:

social facilitation

Explanation:

The concept of social facilitation was first proposed by Norman Triplett. After observing a cycling event, in which he noticed that cyclist performed better when they have others around competing with them, rather than cycling alone just against time. This led him to duct an experiment where he gave some children strings to wound fishing reel. He observed that, children wound the fishing reel faster in the presence of other children performing similar task, when compared to when perform such task alone.

This concept discovered by Norman Triplett, best illustrates the concept of social facilitation, which posits that, individuals tend to perform better in the mere presence of others or when they perform a task with others, than when performing the task alone.

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3 years ago
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Answer:

c. autotrophs and animals are heterotrophs

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There's many differences between the plants and the animals, be it their physical appearance, way of live, how do they function, their requirements for survival. One of the major differences between the plants and the animals is that the plants are autrotrophs, while the animals are heterotrophs. The autrophs are the organisms that are able to produce their own food, thus they are producers, meaning that they do not need nutrition from other organic sources. The heterotrophs on the other side are the organisms that are not able to produce food for themselves, but instead they get their food through consuming of other living organisms, making them primary, secondary, and tertiary consumers.

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3 years ago
What problems would you expect to observe in an ecosystem without producers?
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hi! producers are the main source of energy for consumers because they turn sunlight into chemical energy. without producers, no ecosystem would be able to survive because consumers would no longer have energy needed to live. hope this helps!

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Nucleus; that’s where the dna is stored
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3 years ago
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