29. Crystallization does not involve​

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Answer:

Isotones are those which have different proton number but same number of neutrons.

Isotones are those which have different proton number but same number of neutrons.Mass number= no. of proton+no. of neutrons

Isotones are those which have different proton number but same number of neutrons.Mass number= no. of proton+no. of neutronsNo of neutrons ( Ar (mass no=40)=40-18=22

Isotones are those which have different proton number but same number of neutrons.Mass number= no. of proton+no. of neutronsNo of neutrons ( Ar (mass no=40)=40-18=22No of neutrons ( Ca (mass no=40)=42-20=22

Isotones are those which have different proton number but same number of neutrons.Mass number= no. of proton+no. of neutronsNo of neutrons ( Ar (mass no=40)=40-18=22No of neutrons ( Ca (mass no=40)=42-20=22No of neutrons ( Se (mass no=43)=43-21=22

Answer:

This picture related to the friends, Children's and the love of grandma. there was many children that played there with different instruments . one children's was playing with his pretty dog . some were hanging on tree and other were playing hide and seek and one pretty girl was sitting near her grandmother lap very nicely and was collecting the love of her grandmother.This picture also related to the childhood fun that we all do in our childhood. So Childhood is the best part of our life. so we had to enjoy our childhood as much as we can because it don't come back in our life.

Answer:

This picture was in garden in beautiful weather. childrens are played. A girl climbed on tree after a boy .one children are played or done jogging with her dog .The childrens are most happy.a old sit on the bench and told story to her grandson and granddaughter

The perimeter of a rectangle is defined because the sum of all the edges of a rectangle. For any polygon, the perimeter formulas are the full distance around its sides. Area is that the  measurement of a surface or piece of land.

Draw dream house and find the perimeter and area.

From the figure we are able to find the world of the roof as 15*1=15

because it's a square. Perimeter of the roof is 2(15+1)=32 cm.

Area of 1 window=1*1=1

and therefore the perimeter of 1 window is 1*4=4 cm.

Area of 1 door=1*4=4

and therefore the perimeter of 1 door is 2(1+4)=10 cm.

Door is of shape rectangle , windows are of square and also the roof is of rectangle.

In millimeters

Area of roof=15*10=150 millimeters.

Area of 1 window=1*10=10 millimeters.

Area of 1 door=4*10=40 millimeters.

Perimeter of roof=32*10=320 millimeters.

Perimeter of 1 window=4*10=40 millimeters.

Perimeter of 1 door=10*10=100 millimeters.

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