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Mumz [18]
3 years ago
6

Groundwater contaminants choose one:

Biology
1 answer:
sp2606 [1]3 years ago
6 0
Ground water contaminants, like methane, arsenic, and salt may occur naturally in ground water. Ground water accounts for 95% of the liquid freshwater on Earth, but having enough accessible ground water can be a problem. Ground water typically moves slowly within the ground through porous rock layers like the sandstone.
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21) What is the measure of how high or how low a wave sounds?
OLga [1]

Answer:

[D] Pitch

Explanation:

The measure of how high or low a sound is called the pitch.

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3 years ago
Which discovery is attributed to Phoebus Levene?
jok3333 [9.3K]
<span>Levene is known for his "tetranucleotide hypothesis" (formulated around 1910) which first proposed that DNA was made up of equal amounts of adenine, guanine, cytosine, and thymine.</span>
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4 years ago
Flowers are a collection of _____ tissue produced by some plants.
Lostsunrise [7]
There are choices for this question namely:

1. Sterile
2. Reproductive
3. Both
4. Neither

The correct answer is that flowers are a collection of reproductive tissue produced by flowering plants (angiosperms). The flower is a reproductive organ of the plant. It is composed of the male organ (stamen) which produces the pollen and the female organ (ovary) which receives the pollen. Once the ovary receives the pollen either from the same plant or from another through pollination, the ovule (part of the ovary) will then become the seed and the ovary will become the fruit. The seed is the "embryo" of the plant wherein if planted, it will grow to a new plant. 
4 0
4 years ago
Read 2 more answers
Drag the tiles to the boxes to form correct pairs.
maksim [4K]

Answer:

The moon was formed by the collisions between collisions and combining of planetesimals :(

4 0
3 years ago
What is the likely population distribution of beaver in the areas of Yellowstone where the species is found? uniform constant ra
Mashutka [201]

Answer:

Clumped

Explanation:

Beaver with the Botanical name Castor canadensis is a species that affects

the structure of an habitat and its dynamics this is done by the diverting of streams, and the felling of trees and other woody vegetation.

They usually live in colonies i.e clumped together in a particular area not individually and a colony can support 2–14 beavers that are related and on the average Six Beavers.

They are about 35–40 inches long and

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6 0
3 years ago
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