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Lapatulllka [165]
3 years ago
6

Jose wants to investigate how physical activity affects heart rate.

Biology
1 answer:
olga55 [171]3 years ago
7 0
How does changing the type of exercise effect heart rate in bpm?

Or

How does changing the amount of reps of [insert exercise here] affect heart rate in bpm?
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Golden-cheeked warblers are an endangered species of bird that nest only in central Texas. They build their nests using bark fro
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Answer:

C. clearing of ash juniper trees for farmland

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Golden-cheeked warblers will be in more danger if "clearing of ash juniper trees for farmland" will increase because juniper trees provide barks to build the nest for Golden-cheeked warblers, if Golden-cheeked warblers will not get enough barks to build the nest, they will not able to reproduce and their population will decrease further.

Hence, the correct answer is "C".

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4 years ago
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Nadya [2.5K]

Atoms gain electrons to form anions.

Atoms lose electrons to form cations.

Back in middle school, my chemistry teacher taught me a good way to remember whether an ion was a cation or an anion. When an atom loses an electron, it becomes positive, and when an atom gains an electron, it becomes negative.

Cation sort of sounds like “cat,” which is positive (Yay! Cats!).

Anions, on the other hand, sounds like “onion,” which is negative (Ew! Onions!).

There’s other ways of memorizing it, but this way was the easiest for me.

-T.B.

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