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iragen [17]
2 years ago
7

Complete the sentence about Alfred wegener's continental drift story.

Biology
2 answers:
Alexxandr [17]2 years ago
8 0

Answer:

B. Fossils and C. rock formations

Explanation:

kirza4 [7]2 years ago
4 0

Answer:

The presence of similar <u>fossils(B)</u><u> </u> and <u>rock formations(C)</u> on several different continents supports the theory of Continental Drift.

Explanation:

Alfred Wegener observed fossils of organisms that were not supposed to have survived in the climate of where they were found. Other key findings is that he found fossils of organisms that were found in one continent and the same fossils found on another continent whose edges seem to fit together.

He also observed rock formations or stratas of mountain ranges in one continent seem to fit together with another continent.

<u>Added note:</u>

Even if Alfred Wegener had these evidences to present, his theory of Continental Drift was rejected mainly because he could not explain the mechanism of how the super continent (Pangaea) split.

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Which of the following is a direct result of deforestation? (4 points)
prohojiy [21]

The direct result of deforestation is habitat loss.

<h3>What is deforestation?</h3>

Deforestation is defined as the purposeful felling of trees which are used for domestic use and the space created is used for agricultural purposes

The direct impact of deforestation is the effect it has on the arboreal habitat. The animals that live on trees have their habitats destroyed.

Learn more about deforestation here:

brainly.com/question/579463

#SPJ1

3 0
1 year ago
There are two properties that affect the conduction speed of an action potential along an axon: die axon's diameter and whether
Rom4ik [11]

Answer:

 Axons with high  diameter, and myelinated will conduct action potential faster.

Axons with low diameter but myelinated will be  relatively  slow in the speed of action potential transmission

Axons with high diameter and unmyelinated will be relatively slow in action potential transmission.  

Axons with low diameter, and unmyelinated will conduct action potential slowly .

Explanation:

Diameter of Axon affects conduction speed of Action Potential; the thick axons with  high diameter conducts action potential at a faster speed than thin neurons. This is because of the less resistance to the transmission of action potential along the thick axon. However, thin neurons with   lower diameter has more resistance to the action potential conduct along the axon, thus the speed of transmission is slow.  

Myelinated neuron transmits action potential faster because of   jumping of action potential at the nodes of Ranvier where there is highest concentration of all channel proteins and pump proteins, Therefore action potential is conducted at a faster rate as it jumps from one node to another. This is salutatory conduction. It increases the conduct about 50 times compare to unmyelinated neuron. In neuron of human it increases the speed to 100ms-1

.Conversely, unmyelinated neurone  conducts action potential slowly. About 0.5ms-1 . This is because no salutatory conduction takes place because there is no myelin interruption as Nodes of Ranvier

3 0
3 years ago
Mengapakah Kita menyedut Dan menghembus gas nitrogen dalam jumlah Yang sama​
Nonamiya [84]
Oh yeahhh thanks for the points
5 0
3 years ago
Why doesn’t dr. logan feel the bed bug feeding on him?
Nastasia [14]

Answer:

Why doesn't Dr. Logan feel the bed bug feeding on him?  The bed bug injects an anesthetic as it feeds. Bed bugs prefer humans over other hosts. Many blood-feeding parasites carry diseases but bed bugs do not.

Explanation:

7 0
2 years ago
Blockage of the common hepatic duct would interfere with digestion of
Lapatulllka [165]

Answer:

B) fats

Explanation:

Common hepatic duct is s the part of the biliary tract which means that is involved in the secretion of bile.

Bile salts secreted from the bill have an important role in emulsification of lipids (fats). They have the ability to aggregate around lipids thanks to their amphipatic nature. Amphipatic nature means that they have hydrophobic side which binds directly to lipids and hydrophilic side which are faced outwards. Lipids enveloped with bile salts are called micelles.

Formation of micelles increases the surface area of fat, which is appropriate for the the action of the enzyme pancreatic lipase (perform digestion of triglycerides).

4 0
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