Which of the following represents units of geologic time in increasing order?A. Eon, era, period, epoch
B. Epoch, period, eon, era
C. Era, eon, period, epoch
D. Epoch, period, era, eon

Answers

Answer 1

Answer:

Answer:

D. Epoch, period, era, eon

Explanation:

An eon refers to the largest division of time in Earth's history used on the geological time scale. The current eon is divided into three eras. the current era is divided into three periods and the current period is divided into two epochs, reaching the Holocene, which is the current geological epoch.

Answer 2

Answer:

B. is the correct answer.

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What process are sedimentary rocks formed from igneous rocks?

Answers

Weathering and erosion cause igneous rocks to turn into sediments which are compressed into sedimentary rocks

How much force is needed to accelerate a 68 kilogram skier at a rate of 1.2m/sec

Answers

Let's use Newton's 2nd law of motion:

Force = (mass) x (acceleration)

Force = (68 kg) x (1.2 m/s²) = 81.6 newtons .

$f=m*a$

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The main purpose of the turbine in the turbojet engine is to A. drive the compressor.
B. reduce the temperature of the exhaust gas.
C. increase the velocity of the exhaust gases.
D. compress the air. ~IT is NOT D.

Answers

The correct answer is A. drive the compressor. It's not D because the compressor compresses it, not the turbine. The temperature and the velocity of gasses are unrelated to this. There are in fact two turbines, and the first one gets power from exhaustion, which is then used to power to turbine in the turbojet that is used to drive the compressor. This is how turbojets commonly work.

Osmotic pressure is created by the presence in a fluid of small diffusible molecules that easily move through the capillary membrane. Osmotic pressure is created by the presence in a fluid of small diffusible molecules that easily move through the capillary membrane. True False

Answers

Answer:

False

Explanation:

When solutions of different concentration are placed, separated by a semipermeable membrane, the molecules pass from the solution with the lowest concentration of solutes to the one with the highest concentration. This generates a pressure difference on both sides of the semipermeable membrane, called osmotic pressure.

Final answer:

Osmotic pressure is created by the presence of small diffusible molecules that easily move through the capillary membrane. It draws fluid back into the capillaries, opposing hydrostatic pressure.

Explanation:

Osmotic pressure is created by the presence of small diffusible molecules that move through the capillary membrane. It is determined by osmotic concentration gradients, which are the differences in solute-to-water concentrations between the blood and tissue fluid. Osmotic pressure draws fluid back into the capillaries, opposing the hydrostatic pressure that forces fluid out of the capillary.

Osmotic pressure is created by the presence of small diffusible molecules that easily move through the capillary membrane. It draws fluid back into the capillaries, opposing hydrostatic pressure.

Learn more about osmotic pressure here:

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At about 55 meters/sec, a falling parachuter (before the parachute opens) no longer accelerates. Air friction opposes acceleration. Although the effect of air friction begins gradually, imagine that the parachuter is free
falling until terminal speed (the constant falling speed) is reached. How long would that take?

Answers

Well, it takes one second to get every 10 meters (if $g=10 m/s^2$ ), so one needs just 5.5 seconds. He would fall 137.5 meters (if my calculations are right) during that time.

Answer:

5.6 seconds

Explanation:

I did the worksheet and got it right

What is distance and direction of an object from its starting point

Answers

The distance and direction of an object from its starting point is called displacement. The main difference between distance and displacement is the consideration of distance in displacement. Distance is a scalar quantity, while displacement is a vector quantity. Scalar quantities don't take note of direction, while vector quantities do.

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