How do scientists know what the surface of venus looks like?

1 answer:

5 0

The planet is a little smaller than Earth, and is similar to Earth inside. We can't see the surface of Venus from Earth, because it is covered with thick clouds. However, space missions to Venus have shown us that its surface is covered with craters, volcanoes, mountains, and big lava plains.

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What are the reproductive structures and main characteristic of angiosperms?

castortr0y [4]

Answer: The answer is b.

Explanation: The flowers are one of the most differentiating features of angiosperms. They are the reproductive structures of angiosperms. The flower has a thalamus that is a short axis and four whorls of sporophylls arranged on the thalamus. The four whorls of floral leaves include calyx, corolla, androecium and gymnocium.

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2 years ago

I am trying to determine reactants going into the electron transport chain. Is this right?

irina1246 [14]

Answer:

Yes, this is correct.

Explanation:

In each glycolytic pathway, glyceraldehyde 3-phosphate dehydrogenase produces 1 molecules of NADH as a result of reduction of NAD+.
Pyruvate dehydrogenase converts pyruvate to Acetyl CoA producing 1 molecule of NADH per pyruvate oxidized.
In Kreb's cycle, isocitrate dehydrogenase, alpha-ketoglutarate dehydrogenase, and malate dehydrogenase reactions produce 1 molecule of NADH each. Furthermore, succinate dehydrogenase reaction produces a single molecule of FADH2 per FAD reduced.
Since, we began with 2 molecules of glyceraldehyde 3-phosphate, we multiply the above figures by 2 and get a total of 10 NADH and 2 FADH2.

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PLEASE HELP ME ASAP PLEASE !!!!!! What types of evidence did Darwin use to support his theory of change over time ???? I want a

BlackZzzverrR [31]

Darwin made numerous observations and collected evidence that led him to purpose a revolutionary hypothesis about the way life changes over time. I hope this helped :)

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3 years ago

PLEASE HELP I WILL GIVE YOU BRAINLIEST EXPLAIN

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I believe doubling the speed of the marble will increase the kinetic energy when it rolls down a ramp

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What is symbiosis? What are the three major types of symbiosis?

tensa zangetsu [6.8K]

Symbiosis is the relationship of 2 organisms. The 3 major types are commensalism, mutalism, and parasitism. Hope that this helps!

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