Question

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Answer 1

Q7)

sol= A unit of mass used to express atomic and molecular weights, equal to one twelfth of the mass of an atom of carbon-12.

Q8)

sol= A water molecule consists of three atoms; an oxygen atom and two hydrogen atoms.

Q9)

sol=. There are three types of simple tissues, namely, parenchyma, collenchyma and sclerenchyma

Q10)

sol= Three

Q11)

Sol=. Momentum is the quantity of motion of a moving body, measured as a product of its mass and velocity.

it formula = mass × velocity

Q12)

sol= 9.8N=1kg weight

Q13)

Sol=.An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.

Q14)

Sol = The value of G always remains constant irrespective of the location.

Hope it's helpful....