Geologic Time Scale Time Period Duration (Millions of Years)

Cenozoic 66-0

Mesozoic 252-66

Paleozoic 541-252

The last members of the species Tyrranosaurus rex lived approximately 68-66 million years ago. During which era did the last Tyrannosaurus live?

a
Cenozoic
b
Mesozoic
c
Paleozoic
d
None of these

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this is the answer , p = 1 + (1/10)x

step-by-step explanation:

we have,

at sea level pressure is 1 atmosphere (i.e at x =0, p0=1 atmosphere)

at depth 23 meters , pressure = 3.3 atmosphere

since the pressure increases at constant rate as the depth increases, so we can write a relation as:

p =p0 +   kx   , where p is the pressure  , p0 is the initial pressure, x is the depth and k is constant rate of increasing.

to find constant rate k, plug p = 3.3 , p0 = 1 and x= 23 meters

we get,

  3.3 = 1 + k * 23

k = 2.3 / 23   = 1/10

so we can write the function formula as:   p = 1 + (1/10)x

a. the image doesn't give relevant information.

explanation:

what does a guy holding a paper have to do with bees and their natural instinct when moving and protecting their hives?

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