What do all the living things in an ecosystem make up?

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Answer 1
Answer: I think the answer is Community

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In a step by step format, write about the process of the blood flow as it enters the heart until it leaves the heart.

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Blood enter the right atrium of the heart via the vena cava (superior and inferior)
The right atrium contracts to push the blood into the right ventricle through the triscupid valve
The contraction of the right ventricle pushes the blood through the pulmonary valve to the pulmonary artery which carries it to the lungs to be oxygenated
After oxygenation, the pulmonary vein brings blood to the left atrium
Contraction of the left atrium pushes the blood through the mitral valve into the left ventricle
The left ventricle contracts to push the blood through the aortic valve, into the aorta, which carries the blood through the body.

How is pushing a ball up a ramp like active transport?

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Its like active transport because the person is using energy to push the ball up a ramp. Active transport involves using energy

A plant cell remains unchanged in shape or size when it is kept in a solution. What kind of solution is it?

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The answer is an isotonic solution.

If plant cell is in the isotonic solution, it will remains unchanged in shape or size. This is because 

The function f(t) = 4t2 - 8t + 6 shows the height from the ground f(t), in meters, of a roller coaster car at different times t. Write f(t) in the vertex form a(x - h)2 + k, where a, h, and k are integers, and interpret the vertex of f(t). A. f(t) = 4(t - 1)2 + 3; the minimum height of the roller coaster is 3 meters from the ground

B. f(t) = 4(t - 1)2 + 3; the minimum height of the roller coaster is 1 meter from the ground

C. f(t) = 4(t - 1)2 + 2; the minimum height of the roller coaster is 2 meters from the ground

D. f(t) = 4(t - 1)2 + 2; the minimum height of the roller coaster is 1 meter from the ground

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f(t) = 4 t^(2) -8+6
The formula to use is: a(x-xv)^2+yv
where a is the coeficient of x^2, xv= -b/2a (b is the coeficient of x) and yv= -delta/4a or f(xv)

xv = 8/8 =1
yv = f(xv)=f(1) = 2

f(t) = 4(t-1)^2+2 the minimum value is 2 when t=1

The answer to your question is C. I hope this is the answer that you are looking for and it comes to your help.

The function f(t)can be written in the vertex form as: C. f(t) = 4(t - 1)² + 2; the minimum height of the roller coaster is 2 meters from the ground.

How to write this function in vertex form?

Since the leading coefficient in the given function f(t) is positive 4, the parabola will open upward and at the vertex. Also, the value of the function f(t) would be minimum.

Evaluating the function by applying completing the square, we have:

f(t) = 4t² - 8t + 6

f(t) = 4(t² - 2t) + 6

f(t) = 4(t² - (2 × t × 1) + 1² - 1²) + 6

f(t) = 4(t² - (2 × t × 1) + 1² - 1) + 6

f(t) = 4(t² - 2t + 1²) - 4 + 6

f(t) = 4(t² - 2t + 1²) + 2

f(t) = 4(t - 1)² + 2.

Therefore, the vertex of f(t) will be at (1, 2) and the minimum height of the roller coaster is 2 meters from the ground.

Read more on vertex here: brainly.com/question/1561064

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Then it flows through the large tubes called lungs and the smaller tubes called

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Then it flows through the large tubes called lungs and the smaller tubes called bronchioles. In our respiratory system, this smaller tubes which is called bronchioles ends in a tiny sacs which is also known as alveoli. In alveoli exactly is the place where oxygen and carbon dioxide exchange.

which of the following refers to an organism's ability to maintain constant conditions within its body? a. metabolism b. homeostasis c. stimuli d. sexuality

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The answer to your question is sexuality