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gulaghasi [49]
3 years ago
8

Select the correct answer.

Biology
1 answer:
strojnjashka [21]3 years ago
6 0
A valley will be left
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HELP ME PLEASE!!!
Sidana [21]

Answer:

The way I would separate the shell fragments from the sand would be by using a filter. As shell fragments are larger than sand. So I would use a filter with 2 mm spaces to separate them. Now, for the sand separation from the water, I would heat the water so it would evaporate and connect a tube to another recipient making the sand stay in the first tube and the water vapor cools in the tube to precipitate in the other recipient. Three mixtures I have prepared at home are chocolate milk, coffee and cream, and lemon juice and tea.

Explanation:

To understand this answer we have to remember a few things. First, mixtures always have solute and solvent. The solvent is the most liquid component of the mixture and it can incorporate the more solid element in its composition to carry it. Now, there are several methods to separate them, barrier methods like filters are the first and more basic ones, as they are aimed to separated big solutes. While evaporation can be used to separate two very liquid elements. Like distillation of alcohol to separate the most concentrated oil from the alcohol.

5 0
3 years ago
Pigeons learn to flap their wings to avoid shock ________ easily than they learn to peck a disk to avoid shock. they learn to fl
Gnom [1K]
<span>Pigeons learn to flap their wings to avoid shock more easily than they learn to peck a disk to avoid shock. they learn to flap their wings to obtain food less easily than they learn to peck a disk to obtain food.

That's what'd I'd assume the answer would be.</span>
7 0
3 years ago
A researcher is designing a laboratory experiment to determine whether the inorganic substance A affects the rate of a reaction
Bas_tet [7]
First, he should measure how long it takes for the liquid to become clear if X and Y are mixed together. Then, he should measure how long it takes if he also adds substance A to X and Y. He will find out if substance A is a catalyst. hope this helps :)
3 0
3 years ago
Read 2 more answers
A scientist is observing an organism. It has bilateral symmetry, an exoskeleton, jointed legs, and only male reproductive struct
gizmo_the_mogwai [7]

Answer:

The organism should be classified as an arthropod because it has an exoskeleton and jointed legs.

Explanation:

I took the test on Edgeniuty

6 0
3 years ago
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I need to know 3 examples of producers in a desert habitat because i need to create a poster with an ecosystem of a deert
TiliK225 [7]

Answer:

Cactus (Cacti) Joshua Tree (Trees), Desert Lily (Flowers)

Explanation:

The producers I have mentioned are all plants and produce either food or oxygen.

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3 years ago
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