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ehidna [41]
3 years ago
8

Where do the cements that hold sediments come from ?

Biology
1 answer:
eduard3 years ago
7 0
Broken up rock that got eroded
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Angiosperms do not need water for fertilization. Why? (3 points) Group of answer choices Flagellated sperm travel to the ovary i
astraxan [27]

Answer:

A pollen tube grows from the pollen grain into the ovary

Explanation:

Water is needed for fertilization in several plant groups because the sperm needs to swim to meet the non-motile eggs of the female organs.

<em>However in angiosperms, the pollen germinates and a structure known as pollen tube which contains the male gametophyte (sperm) grows into the ovary where the ovule is located and the male gametophyte is deposited in the ovule to initiate the fertilization process.</em>

<em>Hence, water is really not necessary for fertilization in the angiosperms.</em>

5 0
2 years ago
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A cell with a 3.5% solute concentration is __ to a solution with 1.5% solute concentration.
klemol [59]
Hypertonic would be the correct answer, there is more solute making the cell let out more water, shrinking the cell, therefore being hypertonic.
4 0
2 years ago
If someone adds millions of small fish to a lake, how would the number of big fish change?
nasty-shy [4]
It depends on what the big fish and the small fish eat
6 0
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What animal is responsible for the most human deaths worldwide
IrinaVladis [17]

Answer:

Mosquitos

Explanation:

Mosquitos kill about 1,000,000 humans every year from malaria.

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Which two types of nutrient are needed to build new cells? ​
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Answer: vitamin C and calcium

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