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lesya [120]
3 years ago
14

Scientists hypothesize that early whale ancestors were amphibious. Which statement below is most consistent with this hypothesis

? The fossil animals
Chemistry
1 answer:
e-lub [12.9K]3 years ago
7 0

Answer:

Yes, this hypothesis is true. The ancestor of whale belongs to amphibians.

Explanation:

Amphibians are those organisms which has the ability to live both on land and water. Wales are evolved from land animals such as ungulates. Ungulates are those organisms which belongs to mammals and having hooves. For example, deer, cow, horse and zebra etc. The ancestor of whale lives on land 50 million years ago. So the hypothesis is true.

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Which of the following would be considered an Exothermic Reaction?*
Digiron [165]

Answer:

Burning wood

Explanation:

the fire releases heat into the air from the burning wood

6 0
3 years ago
Which best describes a compound such as sodium chloride?
gayaneshka [121]

Answer:

check it below

Explanation:

NaCl; Sodium Chloride is an ionic compound formed by sodium and Chlorine.

Ionic bond is very strong, It can't be separated back to sodium and chlorine just by physical change. Chemicals which are more reactive can displace ions, thus seperate it

5 0
3 years ago
When the temperature of the gas changes from cold to hot, the amount of pressure is ___________.
Klio2033 [76]
The pressure would increase. When the temperature change form cold to hot, the gas will find ways to escape from containment. Thus, if it cannot escape that pressure will keep on increasing as the temperature rises.
6 0
3 years ago
above shows a balloon full of gas which has a volume of 120.0ml at 300.0k assuming pressure remains constant , what is the voume
trasher [3.6K]

128 ml  is the voume of the balloon if the temperature of the gas increases to 320.0k.

Explanation:

given that:

T1 (initial temperature) = 300K

V1 ( initial volume) =  120ml

T2 (final temperature) = 320 K

V2 (final volume) = ?

Pressure remained constant throughout the process.

From the equation

\frac{P1V1}{T1} = \frac{P2V2}{T2}

Since pressure is constant the equation will be:

\frac{V1}{T1} = \frac{V2}{T2}

V2 = \frac{V1 X T2}{T1}

    Putting the values in the above formula:

V2 = \frac{120 X 320}{300}

     = 128 ml

128 ml is the volume of the gas if temperature increases from 3OO K to 320k

4 0
3 years ago
In the reaction of aluminum bromide with ionized sodium bromide which compoiund is the lewis acid
murzikaleks [220]
The answer is A) Aluminum Bromide 
hope this helps :)
3 0
3 years ago
Read 2 more answers
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