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goblinko [34]
2 years ago
10

6. When pollen lands on the stigma of a flower,_______ occurs. Science

Biology
1 answer:
Usimov [2.4K]2 years ago
8 0

Answer:

pollination

Explanation:

When a pollen grain lands on the stigma of a flower of the correct species , a pollen tube begins to grow. It grows through the style until it reaches an ovule inside the ovary. The nucleus of the pollen then passes along the pollen tube and fuses (joins) with the nucleus of the ovule.

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Answer:

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Explanation:

Argon is actually used to determine the age. It's called potassium-argon dating b/c when volcano erupts the rocks in it contain potassium. The potassium slowly decays and produces argon. Scientists measure how much argon is in a given volcanic rock and do math backwards to figure out how many potassium atoms were needed to produce the given amount of argon. We already know the rate at which potassium decays so then they put two and two together to find the age.

Here's a link with some cool info on it:

https://divediscover.whoi.edu/archives/hottopics/volcano.html

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