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kherson [118]
3 years ago
10

Some emus run fast (between 30-35 mph) and other emus run

Biology
1 answer:
Juliette [100K]3 years ago
4 0

Answer:

you....your not asking anything?

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Within each eon, identify major events and the types of life that dominated the Earth during the time.​
blagie [28]

There has been two eons in the Earth's geologic history so far, the Precambrian eon, and the Phanerozoic eon. The eons are the basic and by far longest units on the geological time scale, spreading over hundreds of millions of years.

The Precambrian eon is the eon that starts with the formation of the Earth, up until the development of multi-cellular organisms. A very important event in this eon can be considered the formation of the Earth's oceans, which later enabled the conditions for the development of life. The organisms that dominated this eon are the one cellular organisms.

The Phanerozoic is the eon in which the multi-cellular organisms started to develop and evolve. This eon started with the end of the Precambrian eon, 543 million years ago up until the present. A very important event in this eon is the change of the composition of the atmosphere, which enabled the terrestrial life, as well as the better living conditions for the marine life. It is very hard to choose a dominant form of life in this eon, but worthy of mentioning are the plants, the sinapsids, dinosaurs, mammals, fish.

7 0
3 years ago
Which of the following water filtration methods requires the use of a membrane or filter?
Keith_Richards [23]

Answer:

Which of the following water filtration methods requires the use of a membrane or filter? Reverse Osmosis

Explanation:

Reverse Osmosis has to do with a solute using a membrane that allows such with the help of hydrostatic pressure

3 0
3 years ago
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Certain forests in dry climates periodically catch fire, which enables some seeds to germinate. What kind of disturbance is this
aliina [53]

Answer: Cyclical

Explanation:

6 0
3 years ago
In order for sharks to maintain a concentration balance with it’s environment, a
Ksivusya [100]

Answer:

B. retain its urine in it’s blood stream

Explanation:

Sharks are cartilaginous fishes that lives in the ocean. Oceans are always salty, hence organisms need to maintain a salt-water balance between their internal and external environment because of osmosis. Sharks are able to maintain this by ensuring that the amount of solutes in their internal environment is as much as that in their external environment.

Sharks retain a chemical contained in urine called UREA in their bloodstream to counter the osmotic effect of the salt concentration in the waters they live. This helps them maintain a concentration balance with their environment.

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2 years ago
Which parental responsibilities would be the most interesting to you? why?
gavmur [86]
Parents have many responsibilities to their children, these responsibility must be taken seriously in order to keep the children in the right path. The parental responsibility that I will personally found very interesting is teaching my children how to do different stuffs. Like teaching them cook different dishes and cookies or teaching them to play different games or teaching them funny tricks in mathematics.
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3 years ago
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