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worty [1.4K]
3 years ago
12

Pollen can be used as an indicator of past climates and vegetation. give two reasons why pollen is well suited to this use:

Biology
1 answer:
almond37 [142]3 years ago
7 0

Answer:

A.) Pollen are well preserved in the sediment layers because they are highly resistant to decay.

B.) Other indicators that can be used to determine past climates are through the analysis of the width of tree rings and the coral reefs formed underwater.

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58:57 What would most likely happen to life on Earth if the carbon cycle stopped? Life would continue unchanged. Life would ceas
Naddik [55]

Answer: Life would cease to exist.

Explanation:

The carbon elements is one of the most important elements in the compound that make up living organisms. It is found: in the remains of living organisms; as fossil fuels such as coal, coke and natural gas; as inorganic salts such as carbonates; in water bodies and as gas carbondioxide which makes up 0.03% of air.

Carbon is continuously being circulated in the atmosphere through a process called the CARBON CYCLE. This involves the removal and addition of carbon to the carbondioxide in the atmosphere.

Life would indeed cease to exist if this carbon cycle stops due to the importance of carbon to functioning of living organisms. Important processes which bring about the recycling of carbon between living ( biotic) and non living (abiotic) components of an ecosystem are:

--> photosynthesis: the process used by green plants to remove carbon through carbondioxide from the atmosphere for manufacturing of their food.

--> respiration: animals respire to break down sugar leading to liberation of carbondioxide and water as wastes

--> and decay: decomposers feeds on remains and waste to bring about decay, thus complex carbon compounds are broken down to set free carbondioxide which returns to the atmosphere.

All the above processes are carried out by living organisms to maintain a functioning ecosystem by enabling a linear flow of energy through it.

5 0
3 years ago
Which type of molecule contains the alcohol glycerol? which type of molecule contains the alcohol glycerol? carbohydrate phospho
butalik [34]
The type of molecules that contains the alcohol glycerol are PHOSPHO-LIPIDS.
Glycerol is a three carbon alcohol on which some phospholipids are built. Phospholipids which are derived from glycerol are called phosphoglycerides.
6 0
3 years ago
What is velocity? <br>the one who answer will be marked brainliest ​
bixtya [17]

Velocity is the speed of an object moving in a definite direction. The velocity of an object can be uniform or variable. When an object moving along a straight line at variable speed, we can Express the magnitude of its rate of motion in terms of average velocity.

Average velocity=Initial velocity+Final velocity/2

The SI unit of velocity is m/s.

6 0
2 years ago
Is it living or nonliving?
defon

Answer:

nonliving

Explanation:

because it's a stone

5 0
2 years ago
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Which is an example of students breaking a safety rule when dealing with chemicals?
Dominik [7]
<span>Which is an example of students breaking a safety rule when dealing with chemicals?
</span>
D. Tying back loose hair

your not supposed to touch any of your body when dealing with chemicals

3 0
3 years ago
Read 2 more answers
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