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Vlada [557]
2 years ago
7

Which of the following are characteristics of heterogeneous mixtures?

Biology
1 answer:
V125BC [204]2 years ago
7 0
The correct answer is Distinguishable components, components in varying proportions, particles that may settle. All other belong to homogenous mixtures.
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Which if the following accurately describes the life cycle of most gymnosperms
love history [14]
I found the exercise on the internet and bellow are the options:
"A. Seed cones contain ovules. 
B. Germinated seeds are haploid. 
C. A pollen tube is used to prevent the fertilization process. 
<span>D. Pollen grains undergo meiosis to form egg cells."

The correct answer is D.
There are no seed cones, but pollen cones, where the ovules can be found. Germinated seeds are diploid, not haploid. The pollen tube role is to promote the fertilization process by leading the sperm to the egg, once the sperm in this type of plants do not have flagella and therefore no movement.
The correct answer is D because pollen grains are really the diploid germinative cells that </span><span>produce sperm cells.</span>
6 0
3 years ago
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Which two types of molecules are formed as a product of cellular respiration?
Cloud [144]

Answer:

carbon dioxide and water

Explanation:

the most simple answer would be co2 and h20 since they are two molecular waste products formed as a result of cellular respiration, but ATP is also a product and is a molecule. So the question itself is faulty, since there are three products in cellular respiration.

It depends on how you learned it, but it says 2 so I would go with CO2 and H20.

8 0
3 years ago
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Someone please help me!! I will mark brainlest!
Soloha48 [4]

Answer:

All organisms evolve over time

Explanation:

The transition from able to support itself on land to living in the ocean is a strong example of evolution.

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Answer:

The metamorphic rock and sedimentary rock were already at this location and magma flowed into other rocks

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Which of the following happens at a joint?
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D) Two parts of a skeleton meet

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