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3 years ago

PLZ HELP THIS IS URGENT

Biology

2 answers:

Sladkaya [172]3 years ago

7 0

Answer:

Glucose, a sugar, has a ring of carbon atoms and one oxygen atom. ... Carbohydrates are classified into three subtypes: monosaccharides, disaccharides, and polysaccharides. ... Starch, glycogen, cellulose, and chitin are examples of polysaccharides. Starch ... Lipids include fats, oils, waxes, phospholipids, and steroids.cholesterol phospholipid glycerol steroid monosaccharide. 1. Carb. 2. lipid. 3. ... provides long-term energy storage for animals ... provides immediate energy ... animal and plant structures forms the cell membrane of all cells ... lowering activation energy one sugar. 17. lipids. 18. Protein - Amino Acids. 19. Carb. - Sugar. 20.

Explanation:

ivolga24 [154]3 years ago

5 0

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Describe what happens to the air in the lungs when we breathe. What happens to the concentration of

Otrada [13]

When we breathe in, oxygen enters our lungs and enters small sacs in our lungs called the alveoli. In the alveoli, the oxygen diffuses INTO the bloodstream through small blood vessels, called capillaries, that surround these alveoli. The oxygen is now in our bloodstream instead of our lungs and is used in cell respiration etc.

Oppositely, carbon dioxide is diffused FROM the bloodstream TO the alveoli, also through these capillaries. The carbon dioxide is now in the lungs instead of the bloodstream and when you breathe out, the carbon dioxide is breathed out out of your lungs.

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3 years ago

An igneous rock contains

Morgarella [4.7K]

These minerals are quartz, feldspar, mica, and usually hornblende. Granite forms as magma cools far under the earth's surface. Because it hardens deep underground it cools very slowly. This allows crystals of the four minerals to grow large enou

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3 years ago

Nêu đặc điểm cấu tạo hóa học của ADN

Assoli18 [71]

Answer:

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Explanation:

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2 years ago

Sayyid drew a diagram to compare the gravitational and

Jlenok [28]

Gravitational: A.is attractive only

Electromagnetic: C.attracts and repels

Both: D.has an infinite range

Explanation:

The two forces mentioned in this problem are:

- Gravitational force: this force is the force that is exerted between any object with mass. The magnitude of the force is given by

$F=G\frac{m_1 m_2}{r^2}$

where

G is the gravitational constant

m1 and m2 are the masses of the two objects

r is the distance between the objects

This force is always attractive and it has an infinite range.

- Electromagnetic force: this is the force exerted between electrically charged objects. The magnitude of the force is given by

$F=k\frac{q_1 q_2}{r^2}$

where

k is the Coulomb's constant

q1 and q2 are the charges of the two objects

r is the distance between them

This force is attractive when the charges have opposite sign and repulsive when they have the same sign. It also has an infinite range.

Therefore, we can conclude that:

Gravitational: A.is attractive only

Electromagnetic: C.attracts and repels

Both: D.has an infinite range

Learn more about gravitational and electromagnetic force:

brainly.com/question/1724648

brainly.com/question/12785992

brainly.com/question/8960054

brainly.com/question/4273177

#LearnwithBrainly

5 0

3 years ago

Read 2 more answers

QUICK PLEASE HELP PLEASE

Alex787 [66]

<span>For question 1: we know the vA=10.0 cm3 and the m=89.6g. Using the equation D = m/vA give us: D = 89.6/10 = 8.96 g/cm3. Answer is (C) 8.96 g / cm3. For question 2: We know the vA=1.2 cm3 and the D=.6 g/cm3. Using the equation D = m/vA and rearranging for m gives us m = D*vA: m = .6 * 1.2 = .72 g. Answer is (D) .72 g. For question 3: We know the D = 8 g/cm3 and the m = 600g. Using equation D = m/vA and rearranging for vA gives us vA = m / D: vA = 600 / 8 = 75 cm3. Answer is (A) 75 cm3.</span>

6 0

2 years ago

Read 2 more answers