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Ymorist [56]
3 years ago
11

Which of the following best explains why ecosystems need a continual influx of new energy?

Biology
1 answer:
JulsSmile [24]3 years ago
3 0
What are the choices?
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Which of the following is true about a sea star's DNA?
jonny [76]

Answer:

The answer is: All of the cells of the sea star have the same exact DNA (I think)

Explanation:

8 0
2 years ago
Ming and his friends were playing baseball. Ming hit the ball into right field and then ran toward first base. The player in rig
bulgar [2K]

Answer:

i think is a but im not sure but i hope it helps.

Explanation:

During a baseball game, a player’s ball hit into the outfield is modeled by the equation h = –16t2 + 65t. A bird flying across the field follows the path modeled by the equation h = 8t + 20. Let t be the time since the ball is hit and h be the height.

5 0
3 years ago
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What does it mean for a membrane to be selectively permeable?
maw [93]

Answer;

Semi-permeability means that only certain molecules are allowed to pass through.

Explanation;

-Semi-permeability is one of the features of a cell membrane, which means that the membrane allows selective movement of materials in and out of the cell; that is only certain molecules can enter or leave the cell.

-For example smaller molecules such water and ions such as potassium and sodium ions are able to leave and enter the cell, while other molecules that are large such as protein molecules can not enter or leave the cell.

3 0
3 years ago
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Subject : Earth Science
garri49 [273]

1.

Identify the type of precipitation that is not one of the main categories.

snow

sleet

<em>drizzle</em> ✓

hail

  • It's a a mild fall of drops condensed hence , it's not a main category
  • The four main categories are snow ,rain ,sleet & hail

2.

Which device is used to measure rainfall?

measuring stick

rain gauge ✓

rain meter

rain stick

  • It calculates the precepated rain in a time period per unit area

3.

Which device is used to measure snow?

rain gauge

measuring stick ✓

measuring gauge

rain meter

  • A simple measuring stick can measure the thickness of snow
4 0
2 years ago
Water droplets sticking to spider webs is caused by the same property that caused a water droplet to stick to your finger in you
Alona [7]

Answer:

adhesion

Explanation:

Its just like Water drops on a pine needle or on anything else, Cohesion is when water is attracted to water. Therefor its Adhesion, because that's when water is attracted to other things or substances.

7 0
2 years ago
Read 2 more answers
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