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2 years ago

Explain Earth’s gravity as it orbits the Sun.

Biology

1 answer:

cupoosta [38]2 years ago

8 0

Answer:

the Earth orbits the Sun because of the pull of the Sun's gravity. This happens because the Earth has a acceleration in the direction perpendicular to the force of the Sun's pull and if the Sun weren't there, the Earth would travel in a straight line.

Explanation:

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Use the Harris-Benedict equation to estimate your calorie needs. Show your calculations to explain how you arrived at your answe

Ratling [72]

Answer:

The Harris Benedict Equation is a formula that determines the total daily energy expenditure (calories) using BMR with some activity factors.

Basal Metabolic Rate (BMR) is defined as the amount of calories one would burn without doing anything for 24 hours. It uses variables of weight, age, height and gender to calculate BMR.

BMR calculation = 447.593 + (9.247 x weight in kg) + (3.098 x height in cm) - (4.330 x age in years)

In Harris Benedict Equation, BMR is multiplied by activity factor to determine calories need.

The activity factors in Harris Benedict Equation are:

for no exercise = 1.2

exercise for 1 to 3 days/week or light exercise = 1.375

exercise for 3-5 days/week or moderate exercise = 1.55

exercise for 6-7 days a week or hard exercise = 1.725

exercise for 2 times training = 1.9

So, calculation for my calorie needs is as following:

BMR = 447.593 + (9.247 x 50 kg) + (3.098 x 164.592 cm) - (4.330 x 23 in years) = 974.945

Calorie needs = BMR x 1.55

= 974.945 x 1.55

= 1511.16 calories

6 0

3 years ago

Read 2 more answers

How are gasses exchanged in the alveoli

Vaselesa [24]

Answer:

The alveolar walls and capillary walls share a membrane. That's how close they're getting. This allows oxygen and carbon dioxide to readily pass from the respiratory system to the circulation. Oxygen molecules bind to red blood cells as they return to the heart.

4 0

2 years ago

When water travels across the surface of the Earth this process is called

telo118 [61]

Answer:

I believe it's D

5 0

2 years ago

Which of the following is an example of the skeletal system interacting directly with the

Nadusha1986 [10]

The ribcage expands to allow air to enter the lungs is an example of the skeletal system interacting directly with the respiratory system.

Explanation:

The skeletal system is mainly made up of bones - like the ribcage in this case - while the respiratory system is made up of the lungs, trachea, diaphragm, etc.

When inhaling, the diaphragm contracts, therefore increasing the volume of the chest cavity. The muscles between the ribs also contract causing the ribcage to stretch upwards and outwards. This also contributes to an increase in the volume of chest cavity. Consequently, the pressure in the chest, decreases causing atmospheric pressure to rush air into the lungs.

When these muscles contract, they raise the pressure in the chest cavity causing air to rush out of the lungs.

Learn More:

For more on interaction of the skeletal system and the respiratory system check out;

brainly.com/question/13947489

brainly.com/question/2756469

#LearnWithBrainly

3 0

2 years ago

What is Lucy? This is for Science they said it’s a gorilla I think I just need confirmation.

Verizon [17]

Perhaps the world's most famous early human ancestor, the 3.2-million-year-old ape "Lucy" was the first Australopithecus afarensis skeleton ever found, though her remains are only about 40 percent complete (photo of Lucy's bones). Discovered in 1974 by paleontologist Donald C.

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2 years ago