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meriva
3 years ago
8

What is an abiotic factor?

Biology
1 answer:
Tresset [83]3 years ago
7 0
Any non-living factor that is used or present in an ecosystem
Common ones are sunlight oxygen nitrogen climate temperature pH levels and water
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A pharmacist has two vitamin-supplement powders. The first powder is 10% vitamin B1 and 30% vitamin B2. The second is 15% vitami
Basile [38]

Answer:

560 mg of powder 1 and 160 mg of powder 2

Explanation:

Let "X" denotes weight of powder 1 added to the new mixture and  "Y" denotes weight of powder 2 added to the new mixture

Total weight of vitamin B1 in the mixture is equal to 80 mg

Total weight of vitamin B2 in the mixture is equal to 200 mg

Equation 1

0.1 X + 0.15 Y= 80

Equation 2

0.3 X + 0.2 Y= 200

Let us simplify the above two equations, we will get

10 X + 15 Y = 8000\\3X + 2Y = 2000

2 (10 X + 15 Y = 8000), 20X + 30 Y = 1600015(3X + 2Y = 2000), 45X +30Y = 30000\\25 X = 14000\\X = 560

Substituting value of X in equation 2 we get

0.3 * 560 + 0.2 Y = 200\\0.2 Y = 200 - 168\\Y = 160

7 0
3 years ago
1. What is one way that the Live Oak Tree is connected to other plants and
Reika [66]

The Live oak trees can be defined as the sources of nutrients for the animals and plants.

Explanation:

Live oak trees are capable of producing acorns that turkeys, ducks, deer and other animals can feed on.

The acorn and flowers of oak rot and decay are the sources of nutrients for the soil and provides nutrients to other plants sharing the same soil for water and nutrients.

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3 years ago
Explain what is meant by a ' reactant ' .​
Ivenika [448]

Explanation:

<em><u>A substance that enters into and is altered in the course of a chemical reaction.</u></em>

<em><u>hope </u></em><em><u>are </u></em><em><u>you </u></em><em><u>understand</u></em>

8 0
3 years ago
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Can omega 3 be artificially produced?
exis [7]

Answer:

in theory yes

Explanation:

6 0
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What is a large compartments within some eukaryotic cells that capture and store food or toxic materials, maintain turgor pressu
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Vacuoles are large compartments within the eukaryotic cells that capture and store food or toxic materials, maintain turgor pressure, and dispose of cellular waste. Both the plant and animal cells have vacuoles. The size of vacuoles in a plant cell is larger in comparison to animal cells. Vacuoles in plant cells store the produced food and waste in the form of resins. The vacuoles also contain water and give structural support to cell to make them turgid.

6 0
3 years ago
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