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Finger [1]
3 years ago
14

Which piece of lab equipment should be used when transferring a test tube from the rack into a beaker of hot water

Biology
1 answer:
777dan777 [17]3 years ago
7 0
Tongs so you are able to get a firm grip, and it protects you from further burns.
BRAINLIEST?????
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3 years ago
What is the last process to occur in the epiphyseal plate?
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Which abiotic factor most likely controls where the plants live in this environment
Setler [38]

Which abiotic factor most likely controls where the plants live in this environment ?

Oxygen levels for aquatic animals

Oxygen from the air and oxygen produced by aquatic plants dissolves in water. Without this, aquatic animals would suffocate and die. Healthy lakes and rivers have high levels of oxygen, and polluted waters often have low levels of oxygen. This pollution means that only certain species can survive there such as sludgeworms. These are bioindicator species because their presence or absence informs us about the condition of the habitat.

Carbon dioxide levels for plants

Carbon dioxide is a reactant in photosynthesis which means plants need it to survive. Areas with higher levels of carbon dioxide are more likely to have healthy plants growing. Farmers often release carbon dioxide within their greenhouses to maximise their crop yield. Woodlands often have higher carbon dioxide levels than open grassland, so many plants living in open areas have evolved mechanisms to overcome a shortage of carbon dioxide.

7 0
2 years ago
A biosphere can best be described as –
Sholpan [36]

Answer:

A) the envelope of gases surrounding the Earth the envelope of gases surrounding the Earth

Explanation: A biosphere is layers of gas surrounding earth's atmosphere, the envelope of gases surrounding the Earth is the closest thing to that description.

4 0
3 years ago
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Nitrogen-fixing bacteria are important because it converts atmospheric nitrogen directly into _____ which can be used by most li
Vaselesa [24]

Answer: nitrates

Explanation:

Nitrogen fixation involves the conversion of atmospheric nitrogen into ammonia and organic derivatives, by natural means, especially such conversion, by microorganisms (nitrogen fixing bacteria) in the soil, into a form that can be assimilated by plants.

The easily accessible form by which nitrogen can be obtained by plants is nitrates, as they are very soluble in soil water and easily picked by plant root vessels

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