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Tanzania [10]
3 years ago
8

Fossil fuels are

Biology
1 answer:
DochEvi [55]3 years ago
5 0
A. a natural resource
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zzz [600]

Answer:

Lymphatic: bacteria invade the body but are removed with the help of cells

Endocrine: A chemical message is signaled to help the body relax and sleep

Nervous: The brain signals for the muscles to contract

Explanation:

Lymphatic system is the part in the body that uses the cells in your body to help it.

The endocrine system is about hormones and how the body needs to maintain stable and have homeostasis.

The brain is part of the nervous system and it sends signals to other parts of the body.

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2 years ago
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This hard but flexible structure is found in the nose and ears.
Andru [333]
D-cartilage Cartilages are soft connective tissues which provide flexibility to certain organs. You can feel it by touching you ear pinna that it is hard and flexible but not fleshy. Hope I answered the question .
6 0
3 years ago
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How many chambers does the heart contain?<br> A. 3 <br> B. 4 <br> C. 5 <br> D. 6
Wittaler [7]
<span>The heart contains four chambers: upper left atria, upper right atria, lower left ventricle and the lower right ventricle. Oftentimes, the right atria and right ventricle are together referred to as the "right heart" and the left atria and left ventricle are referred to as the "left heart", however there are still four separate chambers.</span>
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3 years ago
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1. Do some research and try to identify one to three types of microbes cultured on your plates. Using any resources available to
yarga [219]

Answer:

I have identified <em>Escherichia coli </em>and<em> Bacillus sp.</em>

Explanation:

I obtained my sample from soil, in a park near my house. The common bacteria on soil are gram positive and gram negative.

I found rods, and some are gram positive and long. They others are gram negative and very small and short.

The color of the gram positive is a dark blue, almost purple, and they are big and abundant, they are almost in lines, so I think they are a species of <em>Bacillus.</em>

The gram negative bacteria are extremely small and they look hot pink. They are very probably enterobacteria, and the most common enterobacteria is <em>Escherichia coli</em>. They do not have a particular order of arrangement.

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3 years ago
What kind of question would an environmental biologist ask
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What is the scientific name of a panda a Ailuropoda melanoleuca
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