What was the first alive molcule on the Earth?

2 answers:

8 0

Scientists have inferred that helium hydride was this first, primordial molecule. Once cooling began, hydrogen atoms could interact with helium hydride, leading to the creation of molecular hydrogen — the molecule primarily responsible for the formation of the first stars.

Lyrx [107]3 years ago

7 0

Answer:

Helium hydride was the first alive molecule on the Earth.

Hope it helps!

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The underlying assumption of the harrod-domar growth model is that

LuckyWell [14K]

The underlying assumption of the Harrod-Domar growth model is that Growth is mainly determined by capital accumulation through savings

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Vlada [557]

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Which of the following statements is/are true about the physical characteristics of waves? a. wave height is the vertical distan

NemiM [27]

Answer:

Option A, B, C

Explanation:

A wave’s highest part is called crest and the lowest part is called trough. The vertical length between the highest and lowest part of wave i.e crest and trough is called wave height. Hence option A is correct. Steepness of waves is defined as the ratio of height of wave to its length i.e wavelength. Hence option b is correct

And the steepness of wave should never exceed the ratio of $\frac{1}{7}$ , if ration exceeds $\frac{1}{7}$ the wave gets steep and finally breaks down