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KengaRu [80]
2 years ago
6

Which of the following best explains how human activities can directly contribute to landslides

Biology
1 answer:
skad [1K]2 years ago
4 0

Removing plants from hillsides eliminates the root structures that anchor soil. Indeed the roots of trees, further to anchor the tress to the floor, serve as a net to which the soil attaches preventing the soil of been washed and removed by rainstorms.


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Why do you think a growing human population means a mass extinction event for Earth’s animals? Cite your evidence.
Lunna [17]

Hello,

A “biological annihilation” of wildlife in recent decades means a sixth mass extinction in Earth’s history is under way and is more severe than previously feared, according to research. Scientists analysed both common and rare species and found billions of regional or local populations have been lost. They blame human overpopulation and over consumption for the crisis and warn that it threatens the survival of human civilization, with just a short window of time in which to act.

Hope this helps!!!! Happy Holidays!!!! (:

4 0
3 years ago
To free the rock from atop the perch, you need a ____________ , which could take the form of a person or a lever to free the roc
andrew-mc [135]

Answer:

Option (D)

Explanation:

In terms of chemistry, a catalyst is usually defined as the substance that is commonly used in a reaction in order to increase the rate of reaction, without getting consumed. It helps in the reduction of activation energy.

In the given case, the lever or a person can be considered as a catalyst because both of these will increase the efficiency (or rate) in removing the rock from the top of the perch. Thus, the lever or the human will remain the same after the removal of rock as a catalyst can be recovered after the reaction.

Therefore, the correct answer is option (D).

5 0
3 years ago
Can somebody please help me with this question ?
marishachu [46]
C. gametes have half the chromosomes so that an egg and sperm cell join to make the original (46)
3 0
2 years ago
Create a phulogeny using the following taxa: monarh butterfly, rainbow trout, ochre sea star, African elephant, earthworm, nemat
masha68 [24]

Answer:

http://etetoolkit.org/treeview/?treeid=e29a1e3f1e8914f370f5bb2415bbcf32&algid=ce443ed1e53858bf4e11d1e069c7a927

You can view the tree by clicking view tree...

Explanation:

I think that the Ctenophora are the first to diverge from the origin then Calcerea goes for second divergence and it goes straight in the order as provided by your data.

It also shows the organization of evolutionary pathway from simple (Ctenophorea and Calcerea) to complex like mammals (African Elephant)...

Download txt
7 0
2 years ago
Which of the following outcomes is observed during Rabies virus pathogenesis?
Digiron [165]

Answer:

c) Negri bodies are a diagnostic sign of Rabies virus infection.

Explanation:

Rabies is an infection caused by rabies virus which affects the neurons and causes inflammation of the brain. It is a deadly disease and many animals are carriers of this disease like dogs, cats, raccoons, wolf, bats, fox, etc.  

It is diagnosed by the presence of Negri bodies in the cytoplasm of nerve cells. Negri bodies are inclusions that are round or oval shapes having a size between 0.25 to 27 μm. Negri bodies can be frequently diagnosed in Purkinje cells of the cerebellum and pyramidal cells of Ammon’s horn.  

Apart from these cells, they can be found in various ganglia, neurons of the tongue and other organs. So the correct answer is c.

6 0
3 years ago
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