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tatiyna
3 years ago
10

URGENT

Biology
1 answer:
viva [34]3 years ago
5 0

Your correct answer would be B hope this helps


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What is the answer?
Darina [25.2K]

Answer:

\boxed {\tt 3}

Explanation:

An element only has <u>one</u> type of atom and cannot be broken down by chemical means.

Let's analyze the answer choices.

1. This has two types of atoms, so it cannot be an element. It has more than one type of atom.

2. This has two types of atoms that are bonded together. It cannot be an element because there is more than one type of atom and the bonds can be broken.

3. This has one type of atoms, so it is an element.  

Therefore the best answer choice is 3.

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3 years ago
In a cow that is heterozygous for long hair (LI), what is the probability that its egg cell will contain the dominant allele L?
Katarina [22]

Answer:

50 50 you have a large letter an a lil one that means one's dominant an the other isn't

7 0
2 years ago
Most land-dwelling invertebrates and all of the amphibians _____. _____ Select one: a. are ectothermic organisms with variable b
valkas [14]

Answer:

A.)are ectothermic organisms with variable body temperatures.

Explanation:

Invertebrates animal are animals that lack a backbone, Land invertebrates include insects,spiders, centipedes ,coelenterate, an arthropod, mollusc and the rest.

Ectotherms are also called called cold-blooded animal because their bl body temperature regulation is dependendent on external sources, such as sunlight or a heated rock surface. Some of the examples of ectotherms are fishes, amphibians, invertebratesand reptiles. The aquatic ectotherms body temperature is usually compare closely to the temperature of the surrounding water

Ectothermic species that lives in temperate regions usually experience rapid and potentially stressful changes in body temperature simply because of weather changes even among amphibians there is variation in their temperature

It is believed that naturally occurring periods of temperature variation negatively impact amphibian health.

7 0
3 years ago
What is the function of mitochondria in eukaryotes
svetlana [45]
The main function of the mitochondria is respiration in the cell. To produce energy from broken down organic molecules. (i.e. carbohydrates.)
7 0
3 years ago
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Xelga [282]

Answer:

If you truly enjoy something, it won't feel like work.

Explanation:

if your job is something you just have to do and you are not happy it will

feel like work, like chores. No one likes to wash dishes so it feels like work.  

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3 years ago
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