2 years ago

Describe how different environments support different varieties of organisms

1 answer:

vladimir2022 [97]2 years ago

3 0

Answer:

How is an environment able to support different varieties of organisms? ... It provides all the necessary conditions, such as temperature, space, water and food resources, oxygen and carbon dioxide, that suit the needs of the organisms. Examples of habitat include forests, mountains, bodies of water, and even puddles.

Explanation:

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Explain how to count the number of elements in a compound.

Anna35 [415]

Answer:

Simply identify what elements are in a compound

Explanation:

For example in NaCl we have sodium (Na) and Chlorine (Cl)

In order to do this you would need to recognise the symbols for a certain element: O for oxygen; N for nitrogen; H for hydrogen etc.

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2 years ago

An empty 10-ml volumetric flask weighs 10.267 g. after filling to the mark with distilled water at 20°c, the mass is 20.219 g. w

Dahasolnce [82]

Ok, so... 20.219 grams is the mass of the flask with the water in it.
10.267 grams is the mass of only the flask. Subtract them to find the water mass.

20.219 g (flask+water) - 10.267 g (flask) = 9.952 g (water)

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2 years ago

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Answer:

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2 years ago

An atom of iron has the atomic number 26 and a mass number of 56. how many protons plus neutrons are in the nucleus?

mojhsa [17]

<span>iron has 26 protons and 30 neutrons are in the nucleus</span>