Question

i)is very important
i will mark you as brainliest
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Answer 1

Answer:

I) The path of an object in uniform motion is a straight line. Uniform Motion: ... In simple words, a body is said to have uniform acceleration if the rate of change of its velocity remains constant.

ii). The two organelles containing their own genetic material are mitochondria and plastids.

iii). During summer, we normally wear light coloured cotton clothes. We sweat a lot in summers. Cotton is a good absorber of water. Thus, it absorbs sweat from our body and exposes the sweat to the atmosphere, making its evaporation faster.

iv). A substance is a matter that has definite properties and composition. Every pure compound and element is a substance. ... Pure substances can be divided into two categories – elements and compounds.