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The oxygen content in the atmosphere of the early Earth is thought to have increased significantly once which of these developed?
Wiki User
∙ 13y ago
green plants / algae
Wiki User
∙ 13y ago
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Is the oxygen in the Earth's atmosphere diminishing?
No it isn't. We still have about 21% oxygen content in the atmosphere.
A sling psychrometer is used to determine?
A sling psychrometer (which is a hygrometer) measures the moisture content of the atmosphere surrounding it. It is called a sling psychrometer because it is whirled around in the air until a constant value/reading is obtained from the wet-bulb thermometer.
What is the content of a work of nonobjective art?
The content of nonobjective art is its form.
What does Umbilical artery Doppler which showed SD ratio of 3.2 at 37weeks mean?
An SD ratio above 3.0 at 37 weeks suggests the fetus is at an increased risk for low birth weight. Read this article. http://jdm.sagepub.com/cgi/content/abstract/15/2/59
What name describes formatted pieces of content that are store in galleries?
Formatted pieces of content stored in galleries is called the Building Block.
The oxygen content in the atmosphere of the early Earth is thought to have increased significantly once which developed -Mitochondria - Photosynthetic bacteria - Amino acids - Archaebacteria?
Photosynthetic bacteria
Which major physical change could be attributed to photosynthesis?
Photosynthesis drastically increased the oxygen content of the atmosphere.
What is the oxygen content of the atmosphere?
The atmosphere is 79.9% oxygen.
What is the oxygen content in atmosphere?
21%
Is the oxygen in the Earth's atmosphere diminishing?
No it isn't. We still have about 21% oxygen content in the atmosphere.
How can fertility be increased?
Increase organic matter content.
Why is the content of water vapor in the atmosphere variable?
The content of water vapour in the atmosphere variable because it is the basis of formation. If have more questions about it, try typing the question in another way.
How can soil fertility be increased?
Increase organic matter content.
What s a hygrometer?
It is an instrument to measure moisture content in the atmosphere.
Is dissolved oxygen increased by turbulence?
yes. if anything stirs up the water (turbulence) the oxygen content will be increased.
What rises boiling point of water?
Increased pressure, ion content.
How can the nitrate content of soil be increased without using bacteria?
it wants to be
