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snow_tiger [21]
3 years ago
10

Why are pollen grains useful when studying the climate history of a region?

Biology
2 answers:
Alexeev081 [22]3 years ago
4 0
They can be preserved within the fossils of organisms that carry them. They provide clues about the types of plants that grew in a region at a particular time.
iren2701 [21]3 years ago
4 0

Answer: D on edge

Explanation:

They provide clues about the types of plants that grew in a region at a particular time.

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Describe how the different rates at which land and water are heated affect climate
VARVARA [1.3K]
For the answer to the question above,

Water absorbs vast amounts of energy. Likewise bodies of water release energy very slowly. Areas near water are usually milder. Organic materials (such as plants and animals) tend to absorb more energy. Unlike a desert that holds it. Thus air temp. in a forest is usually cooler than the temp. in a desert.

Since land and water heat at different temperatures, the effects of this process creates climates. For instance, warm weather and moisture from oceans can create hurricanes. I hope this helps


8 0
3 years ago
Which DNA fingering technique examines the length variation of DNA repeat sequences in human DNA?
DiKsa [7]

Answer: The question is incorrect, below is the correct question

Which DNA FINGERPRINTING technique examines the length variation of DNA repeat sequences in human DNA?

The correct answer to the question is option D

mtDNA (mitochondrial DNA) analysis

Explanation: DNA fingerprinting technique is a laboratory technique used by geneticists.it entails placing of DNA samples into wells,these wells are then placed in a slab of gels and thereafter passing a current through the gel.This is done to ascertain the uniqueness of a DNA pattern and thus be able to differentiate people of same species.

There are several methods of DNA fingerprinting as outlined in the options given with the question.

In mtDNA (mitochondrial DNA) analysis,The Genetic samples are extracted from the biological materials, these samples extracted are total genomic DNA like hair,tooth or samples of blood, Several copies of these genomic DNA are then produced using a polymerase chain reaction and flanking primers inorder to examines the length variation of DNA repeat sequences in human DNA.

5 0
3 years ago
What is the path surrounding the nucleus of an atom in which electrons are normally located?
QveST [7]
The path electrons take to orbit the nucleus is called shell.
4 0
3 years ago
What properties of carbon explain carbons ability to form different large and complex structures?
leonid [27]

Carbon can form single, double, and triple bonds with other carbon atoms.

4 0
3 years ago
Which of the following is an observation?
Svetach [21]

Answer:

a. You record the air temperature every day for a week.

Explanation:

Recording air temperature every day for a week can be classified as making an observation.

Observation is a part of the scientific method. It is a basically a way of collecting data.

  • During observation, our senses can be used or instruments.
  • Depending on the nature of the study, specialized instruments helps to bridge the limitations of our senses.
  • A good scientist is a keen observer.
  • Making a record of air temperature usually by using a thermometer is a way of carrying out observation.

When you record air temperature, you are making an observation.

7 0
3 years ago
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