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Ede4ka [16]
3 years ago
6

If earth is considered a " closed system "

Biology
1 answer:
blsea [12.9K]3 years ago
6 0

idk idk figure it out

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rjkz [21]

The answer is Crab

Brainliest??

6 0
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Exposure to environmental hazards such as coal dust, silica dust, and asbestos may lead to pulmonary fibrosis or scarring of the
Luba_88 [7]
As described above, the condition will lead or cause the lung tissue to be less elastic. That being said, the lungs will be limited due to its stiffness. This will lead to decreased lung capacity as well as decreased vital capacity. 
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3 years ago
Which of the following might you use to help you make observations?
SCORPION-xisa [38]

Answer:

Touching, Smelling.

Explanation:

Touching will be useful to detect stimuli like coldness and hotness.

Smelling on the other hand will help to make observations on smell and change in smell. These two are among the five senses that we use to make observations as we record what we see, hear, touch and feel, smell and taste.  

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3 years ago
Which of the following is true concerning rainforest deforestation?
Molodets [167]

Answer:

B

Explanation:

When deforestation takes place, it heats up the atmosphere causing more global warming.

3 0
3 years ago
When cells communicate by the signaling process, one cell produces a _________________BLANK that must be received by the _______
velikii [3]

Answer:

1. Signaling molecule

2. Signaling receptors

Explanation:

Hormones, growth factors, neurotransmitters, etc. serve the function of signaling molecules for cells. These molecules are released by one cell and bind to the receptors present on/in the target cells to elicit the desired response. Thereby, the signaling molecules serve in cell-cell communication.

For example, insulin hormone synthesized and released from beta cells of pancreas binds to its cell surface receptors present on the surfaces of liver cells and muscle cells to stimulate the uptake of the glucose from the blood.  

Likewise, neurotransmitters released from the presynaptic neuron bind to receptors present on the membrane of postsynaptic neuron and serve to carry the nerve impulse to the postsynaptic neuron.  

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3 years ago
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