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valentinak56 [21]
3 years ago
10

What is the position of heart valves when blood pressure is highest in the aorta?

Biology
1 answer:
Mumz [18]3 years ago
7 0
Semilunar valve will be open
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Question 9 of 10<br> Which process is a form of mechanical weathering?
Firlakuza [10]

Explanation:

abrasion, pressure release, thermal expansion and contraction and crystal growth.

6 0
3 years ago
A cheeseburger from a fast food restaurant contains 19 g of fat, 20 g of carbohydrate, and 28 g of protein. How many kcal of ene
Nikolay [14]

Answer:

which equals 360 cal for total energy

Explanation:

We simply get the sum of the product of each mass and caloric values.

Total energy = 19 g * 9 kcal / g + 20 g * 4 kcal / g + 28 g * 4 kcal / g

Total energy = 363 kcal

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3 years ago
Choose all the answers that apply. Erosion is caused by _____. wind water ice gravity
bezimeni [28]
Water erosion is usually what people think of, but ice, wind and gravity can also cause erosion.

Water erosion is usually along rivers. As the water moves quickly by it rubs on the rock and dirt, causing rivers to slowly get wider.

Ice erosion is caused by glaciers. Sometimes it's a glacier rubbing against land, and there's a lake that was made by a glacier making it's way onto land and then melting.

Wind erosion is a big problem in fields and large open plains with loose dirt. The wind just blows all the dirt away.

Gravity can cause erosion and cliffs. Sometimes along a mountain or cliff the rock won't be able to hold itself up anymore, and gravity will pull it down.

Your answer would be all of them. Wind, water, ice, and gravity.



7 0
3 years ago
Read 2 more answers
Which structures are considered part of the reproductive system?
Katarina [22]

Answer:

Ovaries, Uterus, Testes

Explanation:

Ovaries are what carry the Zygote's (eggs) and the Uterus is where a fertelized grows into a baby. If the egg is not fertilized in a certain amount of time the egg becomes infertile, the body goes through a 3-7 day cycle of menstruation. The Testes are the organs (balls) which carry sperm cells, which will fertilized a healthy egg.

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3 years ago
Islanders living in Beqa, Fiji, live primarily
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By fishing and cultivating tara
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3 years ago
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