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creativ13 [48]
4 years ago
9

!!!!!WILL MARK BRAINLIEST!!!!!

Biology
1 answer:
zhuklara [117]4 years ago
5 0

Answer:

I had to do this because your answer choices was wrong

Polyploidy increases the rate of speciation by having different numbers of chromosomes so organisms cannot reproduce with each other. The rate of speciation is mostly rapid 38 thinks that it mark me brainlest because I was first :D

Explanation:

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DNA Evidence
Ilya [14]

Answer:

The hippopotamus is most similar to the whale in casein protein production.

5 0
3 years ago
A performer, seated on a trapeze, is swinging back and forth with a period of 8.90 s. If she stands up, thus raising the center
iren2701 [21]

Answer:

8.800s

Explanation:

When the performer swings, she oscillates in SHM about Lo of the string with time period To = 8.90s.

First, determine the original length Lo, where for a SHM the time period is related to length and the gravitational acceleration by the equation

T = 2π×√(Lo/g)..... (1)

Let's make Lo the subject of the formulae

Lo = gTo^2/4π^2 ..... (2)

Let's put our values into equation (2) to get Lo

Lo = gTo^2/4π^2

= (9.8m/s^2)(8.90s)^2

------------------------------

4π^2

= 19.663m

Second instant, when she rise by 44.0cm, so the length Lo will be reduced by 44.0cm and the final length will be

L = Lo - (0.44m)

= 19.663m - 0.44m

= 19.223m

Now let use the value of L into equation (1) to get the period T after raising

T = 2π×√(L/g)

= 2π×√(19.223m/9.8m/s^2)

= 8.800s

7 0
3 years ago
How often is carbon dioxide cycles through the atmosphere
Alex
10-100 million metric tons of carbon move through the slow carbon cycle every year.
6 0
3 years ago
How many poles does Jupiter’s magnetosphere have? a. 2 c. 8 b. 4 d. 9
serious [3.7K]

Answer:

A. 2

Explanation:

I was wrong the first time, I wasn't thinking of jupiter for some reason. sorry!

6 0
3 years ago
Read 2 more answers
Allen pours water into a graduated cylinder. He notices that the surface of the water is curved, as shown below.
Slav-nsk [51]

Answer:

When water is added to a graduated cylinder, having a surface where the sides of the water look higher than the center means that the curved surface is a concave meniscus which has formed because of surface tension (Choice C).

Explanation:

A meniscus is simply the curvature that the surface of a liquid acquires when it is in a container, such as a graduated cylinder. It is concave when there is attraction between molecules -water and glass- or it can be convex when both surfaces are repelled.

<u>Water is a polar molecule</u>, with the capacity to adhere to the surfaces it comes into contact with. This characteristic causes it to form a concave meniscus, as the outermost molecules adhere to the glass surface, while the surface tension of the water attracts the molecules from the centre downwards, causing the concavity.

Learn more:

Measuring with a graduated cylinder brainly.com/question/4070509

4 0
3 years ago
Read 2 more answers
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