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bogdanovich [222]
3 years ago
14

Placer deposits form by differential settling. answer a. True b. False

Biology
1 answer:
omeli [17]3 years ago
3 0

The answer is true.

A placer deposit is a deposit of earth, sand, or gravel formed due to the differential settling of the denser, heavier components. The placer contains particles of valuable mineral and it is found usually in the bed of a river or lake.


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Why was Aristarchus’s model not accepted? Select two options.
Roman55 [17]

Aristarchus’s model not accepted because at that time it was believed that the earth was at the center of the universe.

<h3>What is Aristarchus’s model?</h3>

Aristarchus make a model by placing the place of the Sun in the middle of the solar system and placed the planets around the Sun.

So we can conclude that Aristarchus’s model not accepted because of the believed that the earth was at the center of the universe.

Learn more about model here: brainly.com/question/723406

7 0
2 years ago
How does heart rate relate to homeostasis?
PtichkaEL [24]

Answer:

The cardiovascular system helps to maintain homeostasis with respect to body temperature. An increased heart rate increases the delivery of blood to your skin. Increased blood flow to your skin and sweating causes dissipation of heat, and body temperature remains within normal limits.

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3 years ago
Using a broom to clean sidewalks and driveways is a way to reduce water pollution
yulyashka [42]
This can be possible because we no longer need to use a large hose and spray water on the roads and let the dirty water drain away back into seas and rivers and create water pollution. However, this methods requires a large amount of labor and time.
5 0
3 years ago
Read 2 more answers
2 What is the function of proteins in the cell membrane?
77julia77 [94]
Answer is F: Facilitates the movement of particles across the cell membrane.

Types of proteins found in the cell membrane includes channel and carrier proteins, both which are involved in the process of facilitated diffusion where they help facilitate the movement of large or polar molecules across the membrane.

8 0
2 years ago
Element Q is an element that has a metallic shininess, has good heat conductivity, and is very brittle. To which of the followin
vovangra [49]

Answer:

C. metals

Explanation:

Elements in the periodic table are grouped into metal and non-metals depending on their characteristics. Metals usually possess the following characteristics:

- High melting and boiling point

- Brittle i.e. ability to break

- lustre i.e. ability to shine when polished.

- Good conductor of heat and electricity

Based on this above characteristics, element Q in this question is a METAL because it posseses the same qualities that a metal does.

6 0
3 years ago
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