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Anarel [89]
3 years ago
5

How does the gradient change the velocity of the water?

Biology
1 answer:
vlada-n [284]3 years ago
5 0

The velocity of a stream usually increases downstream. The gradient (slope) of the stream typically decreases but gravity, elimination of bed roughness and an increase in the amount of water from the entry of tributaries tends to increase the velocity.

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Compare and contrast the production of hydrogen through electrolysis and through the breakdown of methane
Dima020 [189]

Answer:

Electrolysis is more expensive. Electrolysis is when water molecules break down into oxygen and hydrogen gas. Breakdown of methane contains carbon and releases CO2.

3 0
3 years ago
What can the dopper effect reveal about the movement of a star or galaxy
erastova [34]
The Doppler Effect is also known as red shift. Red shift shows the distance of galaxies. The redder the shift then the further away the galaxy, however the bluer the galaxy then the closer it is. Red Shift shows that the universe is continuously expanding. <span />
6 0
3 years ago
Can more than one dichotomous key be developed to identify the same group of organisms? Explain. To answer this question, refer
rewona [7]
<span>Certainly. Every organism has a variety of different characteristics. One person writing a key might choose to use different characteristics than another person would use.

For example: Here's a key for separating fish, snake, frog and mouse

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A. Has scales on its skin ... 2
B. Has no scales on its skin ... 3

2.
A. Breathes with gills - fish
B. Breathes with lungs - snake

3.
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B. Has no hair or fur - frog

Here's a different key for the same four animals:

1.
A. Has four legs ... 2
B. Does not have 4 legs ... 3

2.
A. is warm-blooded - mouse
B. is cold-blooded - frog

3.
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8 0
3 years ago
Which is not true about spermatogenesis? the process takes place in the walls of the seminiferous tubules. mature spermatozoa ar
mixer [17]

 Answer: Spermatogenesis begins at birth and continues throughout a man's life.

The process in which haploid spermatozoa develop from germ cells in the seminiferous tubules of the testis is known as Spermatogenesis. Thus, the process of spermatogenesis start with mitotic division of the stem cells that is located close to the basement membrane of the tubules. However, a mature male gametes known as sperm but it is commonly known as spermatozoa.

4 0
3 years ago
Line graphs that indicate time along the x-axis can be used to predict what would happen to dependent variables in an
Dmitry [639]

Answer:

if the experiment continued under the same conditions

Explanation:

you can only go on to prove something if its under the same conditions

5 0
3 years ago
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