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OleMash [197]
3 years ago
14

Who came first on earth archaea or bacteria?​

Biology
1 answer:
Semmy [17]3 years ago
8 0

Answer:

<em><u>Archaea</u></em> is right answer

It came 3.5 billion years ago

Where as bacteria came 419.2 million to 358.9 million years ago.

hope it helped you:)

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Is The Answer A B C or D
LekaFEV [45]
I would go for 'c'. The reason being, is that it doesn't do much, and I am also assuming that offshore drilling will not affect underwater sources, which are linked to the ocean. 
6 0
3 years ago
A population of mice has black or brown hair. The gene for black hair color (B) is dominant over brown (b). If 16% of the mice a
astraxan [27]
If B and b are the two alleles , B + b = 1 and B ^2 +2 Bb + b ^2 = 1.

If 16% of mice are homozygous black , B ^ 2 =0 .16, meaning B = 0 .4 and b = 1 - 0. 4 = 0 .6 .
Answer = Notice how you don't even need to know that 24% of the mice are heterozygous .
6 0
3 years ago
At what depth(km) would a rock experience temperature of 5500C?
kow [346]

Explanation:

A rock would experience a temperature of 5500°C is about the core which is at a depth of 220km.

But let us use the earth's geothermal gradient to solve this problem.

The geothermal gradient is the rate at which temperature is increasing with depth.

The geothermal gradient 25°C/km

        At 5500°C,

               5500°C x  \frac{1}{25}  \frac{k}{C}  =    220km

But this is not so in nature, there are other heat sources that contributes to increasing temperature with depth such as radioactive heat and frictional heat.

learn more:

Mantle brainly.com/question/10758534

#learnwithBrainly

7 0
3 years ago
what is the Term for the process in which an object can be identified when only using the sense of touch
adelina 88 [10]

Explanation:

Psychometry is a psychic ability in which a person can sense or "read" the history of an object by touching it. Such a person can receive impressions from an object by holding it in his/her hands or, alternatively, touching it to the forehead.

5 0
3 years ago
An important difference between a series and a parallel circuit is that a series circuit cannot have any breaks. A parallel circ
Yanka [14]

Answer:

Yes.

Explanation:

Parallel circuit are those types of circuits in which break in one branch does not prevent the flow of current in the circuit and the current can still flow through another branch because there are more ways through which the current moves to other sources while on the other hand, series circuit refers to those circuits in which break in one branch can prevent the current flow in the circuit and the other sources can't receive current due to broken of the connection.

7 0
3 years ago
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