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nalin [4]
3 years ago
13

What facilitates passive transport across a cell membrane

Biology
1 answer:
maw [93]3 years ago
5 0

The answer is concentration gradient. Have a good day.

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HELP PLEASE: The German scientist _______ noticed that the coastlines of Africa and South America looked like they might fit tog
andriy [413]

Answer: German scientist Alfred Wegener

Explanation: <em>In the early 1900s, the German scientist Alfred Wegener noticed that the coastlines of Africa and South America looked like they might fit together. He also discovered evidence that the same plant and animal fossils were found along the coasts of these continents, although they were now separated by vast oceans.</em>

7 0
3 years ago
What do high and low air pressure systems mean in terms of density?
Arada [10]

<span>There are two physical differences between Low pressure systems and </span>High pressure systems.

First, is the circulation surrounding them.

Secondly, is the atmospheric motion that they cause.

Low pressure systems circulate counter-clockwise. High pressure systems circulate clockwise. These "motions" are the building blocks in our atmosphere. They give us our weather.

A Low’s counter-clockwise circulation forces air upward (ultimately resulting in condensation, cloud formation and ultimately precipitation). A High’s clockwise circulation causes a sinking motion in the atmosphere, resulting in fair/clearer and often sunnier skies. 

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3 years ago
What instrument do we normally use in our labs at school to observe microscopic things?
Musya8 [376]

Answer:

A microscope!

Explanation:

A microscope is used to magnify objects that are too small to be seen by the human eye. I hope this helps! :)

6 0
4 years ago
ANSWER ASAP PLEASEEEEEE!!!!!! ILL GIVE 100 POINTS!!
Wewaii [24]

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its a becoz it is the characteristic of asexual reproduction to form daughter cell genetically identical to parent cell and to each other

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3 years ago
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A scientist wants to observe how plants respond when growing in an overcrowded area. After 200 seedlings are planted close
jarptica [38.1K]

Answer:

Correct answer is A. "making future predictions about plant behavior "

Explanation:

The most important part of the question is "overcrowded area" which leads to the future concerned scenario of modern societies. We know that, in future, the supply of resources/nutrients will be limited and thus we want to develop sustainable practices. For this, scientists often carry out the experiments where the organisms are forced to live/grow in a crowded area and then we understand how each individual responds in the presence of limited resource supply. In this experiment, I perceive that the scientist is doing a similar kind of study for a specific plant which will help him assess the future concerns of growth and development for that species as well as its interaction with the environment.

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