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nordsb [41]
3 years ago
6

Explain why living organisms contain more hydrogen atoms than any other atoms, yet 65% of s typical organisms mass in oxygen

Biology
1 answer:
Oxana [17]3 years ago
3 0
Answer:
Oxygen atoms contain 16 times more mass than Hydrogen atoms.

(a brainliest would be appreciated)
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Imported plants and animals in Hawaii have
inessss [21]

When a non-native or a foreign plant or animal is introduced in a new area, it affects the survival of the native animals that dwell there. The non-native plant or animal will compete with the native species for nutrients, water, space, food and shelter. Since the non-native animals will lack natural predators in the new habitat, they'll thrive in number. This uncontrolled competition of the non-native species with the native species will eventually leading to the death of the native species.

5 0
4 years ago
Read 2 more answers
What is the average atomic mass of a sample that has two isotopes, one with a mass of 21 amu at 62% abundance and another with a
motikmotik

Answer:

Average atomic mass = 21.38 amu.

Explanation:

Given data:

Mass of first isotope = 21 amu

Abundance of first isotope = 62%

Mass of second isotope = 22 amu

Abundance of second isotope = 38%

Average atomic mass = ?

Solution:

Average atomic mass  = (abundance of 1st isotope × its atomic mass) +(abundance of 2nd isotope × its atomic mass)  / 100

Average atomic mass  = (62×21)+(38×22) /100

Average atomic mass =  1302 +836 / 100

Average atomic mass = 2138 / 100

Average atomic mass = 21.38 amu.

3 0
3 years ago
uman chorionic gonadotropin (HCG) A. is secreted from the corpus luteum B. is secreted from the myometrium in the uterus C. stim
jenyasd209 [6]

Human chorionic gonadotropin is secreted from the placenta. The correct option is D.

<h3>What is HCG?</h3>

HCG is known as Human Chorionic Gonadotropin.

It is a hormone secreted by the placenta during pregnancy.

The hormone specifically functions to thicken the wall of the uterus in order to be able to support the growing embryo.

It also signals to the body system to halt the process of menstruation.

More on HCG can be found here: brainly.com/question/23308035

#SPJ1

4 0
2 years ago
Click to review the online content. Then answer the question(s) below, using complete sentences. Scroll down to view additional
elena-14-01-66 [18.8K]

Answer:

Aerobic glycolysis has a slow rate of ATP production and is predominantly utilized during longer-duration, lower-intensity activities after the phosphagen and anaerobic systems have fatigued. It is important to remember that all three of these systems contribute to the energy needs of the body during physical activity

Can I get brainliest so I can reach the next rank?

8 0
3 years ago
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A drought causes a wildfire which destroys a forest. Which Earth systems interact during this process? (1 point) Select one: a.
Ne4ueva [31]

<u>Answer:</u>

<em>It is the biosphere and hydrosphere that interact when a drought causes a wildfire that destroys a forest. </em>

<u>Explanation:</u>

Hydrosphere consists of all the water bodies of earth like oceans, seas, rivers, lakes etc.  a drought occurs due to scarcity of water which affects the hydrosphere. The scarcity of water causes plants and trees to dry up and become more prone to catching fire

Biosphere includes all the living organisms of the earth. It includes plants, trees, birds, insects, animals etc. A drought dries up a whole area and a small fire that starts up somewhere in  a forest would then engulf the whole forest.

6 0
3 years ago
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