Question

•Answer these 3 questions of English grammar?​

Answer 1

Answer:

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The dalton or unified atomic mass unit is a unit of mass widely used in physics and chemistry. It is defined as 1/12 of the mass of an unbound neutral atom of carbon-12 in its nuclear and electronic ground state and at rest. The atomic mass constant, denoted mᵤ is defined identically, giving mᵤ = m/12 = 1 Da.

Answer 2

Answer:

i.Her mother (came) back yet.

ii.At that time he (studies) nine hours a day.

iii.Roses (bloomes) in the summer.