All categories

3 years ago

In a river, large boulders are transported by _____.

2 answers:

6 0

The correct answer is B. Traction.

Traction is the force that generates movement of objects that have a desire to remain immovable.

Sergeeva-Olga [200]3 years ago

6 0

Answer: B. Traction

Traction is a geological process in which a mechanical force transports larger and heavier rocks by sliding and rolling along the substratum. Traction occurs by water erosion. It results in the movement or transportation of large rocks stones or boulders, which are otherwise settled at the bottom, by the force exerted by the water current. These rocks, stones or boulders gets displaced from their sites and attains a rolling movement due to fast flowing water current.

You might be interested in

The department of nursing at a local hospital is considering changing to charting by exception (CBE). Which statement provides a

ira [324]

Answer:

Option A, Reduces the time nurses spend charting

Explanation:

Charting by exception or CBE and is a documents that consists of –

a) Set standards of practice and regulations

b) Findings along with exceptions and explanations against the predefined norms

c) Methods and criteria of checkups and assessments

This document in turn reduces the effort of a nurse writing facts and observation in details which shall be put in front the doctor for in-depth observations.

Hence, option A is correct

8 0

2 years ago

What is an important characteristic of the plant cell wall?

Elena-2011 [213]

B. It is rigid it is important becuase it keeps the plants structure and it allows the plant to stand upright.It is not a fluid and because it is rigid it does not stretch.It cannot be C. because the cell wall is made of cellulose and it is a non living maerial therefore it cannot be alive

8 0

2 years ago

Read 2 more answers

1. Most familiar life forms live in regions of biomes that humans inhabit. (1 point)

Genrish500 [490]

Answer:

1. The first statement is true. A biome is defined as a large set of naturally occurring plants and animals occupying a major habitat. For e.g. forest, dessert, grasslands etc.

2. The given statement is True. Biodiversity is defined as the variety of plants and animals exists or existed in the world or in any specific habitat. The high level of biodiversity is important and beneficial for the environment.

3. This statement is False. Outside force such as earthquake, zone hole etc can certainly cause changes in the organism. For example, UV rays can cause cancer in an organism, dark colorization of peppered moth during industrial revolution.

4. It is True as species is defined as a group of organisms capable of interbreed and share common characteristics. It is the basic unit of biological classification. For example, <em>sapiens </em>is the species of human being.

5. Yes, the given statement is true. Charles Robert Darwin famous naturalist, biologist, and geologist. He was best known for his work in the field of evolution and gave the theory of natural selection. He is also known as the father of evolution.

6. No, all scientists were not agreed with Charles Darwin, for example, Lamarck, Weismann etc. However, Neo-Darwinism was much more accepted that Darwin original theory. Hence, the given statement is false.

7. Natural selection is one of the process of evolution. It sates that organisms better suited and adapted to their environment have better chances of survival. Organisms acquire new characteristics over the generations in order to adapt in a environment. Hence, the given statement is false.

8. The statement is true. However, recently it has been found that there are some bacteria which can inhabit the extreme conditions. They are known as extremophiles, for example, halophiles, thermophiles etc.

9. Yes the statement is true. These organisms are known as extremophiles, for example, halophiles (which live in high saline conditions), thermophiles (can live in high temperatures) etc.

10. This statement is false as there are many species which have not been discovered yet.

4 0

2 years ago

What means acid rain?<br> What causes acid rain?<br> What are the effects of acid rain?

AlexFokin [52]

Acid rain can be caused by factors and there chemicals in the air
Acid rain effects- getting into our under ground waters, the animals might get sick from the acid rain, fish might die, animal health, and human health when it gets in our drinking water
Acid rain-meaning that it has elevated levels of hydrogen ions. is a rain or any other form of precipitation that is unusually acidic.
Hope this helps have a nice day

5 0

3 years ago

Highly contagious or transmissible disease and has the potential for very rapid spread irrespective of national borders, causing

butalik [34]

Answer:

Transboundary

Explanation:

Transboundary refers to a highly contagious disease that has the potential to spread extremely rapid irrespective of national boundary. They cause high mobility and motility in the susceptible animals. An example of such diseases include Avian Influenza and the African Swine flu.

Zoonotic disease is disease that can be transmitted from animals to Humans example anthrax.

Exotic disease refers to a disease that does not normally occur in a particular region

Emerging diseases are those that have recently appeared and are cases are rapidly increasing.

Epizootic are those that appear in a large number of animals in the same place at the same time

7 0

3 years ago