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Sever21 [200]
3 years ago
7

What are three ways that substances can be described?​

Biology
1 answer:
Margaret [11]3 years ago
7 0

Answer:

chemical name, for example, benzene;

number, for example, EC number 200-753-7, and.

chemical composition, for example, >99 % benzene and <1 % toluene. The composition is determined by chemical analysis.

Explanation:

hope thishelps!

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Insulin helps maintain glucose levels in the blood. If blood glucose levels got very high, what would you expect to see happen t
trapecia [35]

Insulin and glucagon are hormones that help regulate the levels of blood glucose, or sugar, in your body. Glucose, which comes from the food you eat, moves through your bloodstream to help fuel your body.

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8 0
2 years ago
How many years did it take to double between .5 billion and 1 billion?
finlep [7]

Answer:

2

Explanation:

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8 0
3 years ago
This biome is warm and wet, with little seasonal variation in temperature and frequent precipitation.
Ainat [17]

Tropical rainforest is a biome which  is warm and wet, with little seasonal variation in temperature and frequent precipitation.

<h3>What is a Biome?</h3>

This is referred to an environment which has features such as being greatly influenced by abiotic factors such as sunlight, water etc.

Tropical rainforest as the name implies has a large and frequent amount of precipitation thereby making it wet with little seasonal variation in temperature. It is also characterized by large trees which form canopies in the region.

Read more about Tropical rainforest here brainly.com/question/1146251

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6 0
1 year ago
scientists believe the first organism to appear on earth were prokaryotic which of the following best represents what the cell s
Zielflug [23.3K]
Hi!

The answer is B. chloroplast because prokaryotic cells don't have contractile vacuoles, DNA, or a nucleus. 

Hope this helps!  :))<span />
4 0
3 years ago
Read 2 more answers
Can someone Help me with this please
Harrizon [31]

Answer:

Explanation:

1> Because meat is more calorically dense than vegetables

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3> The pyramid of biomass can be upright or inverted, but pyramid of energy is always upright.

4 0
2 years ago
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