Answer: option C.
Fabrics such as cotton and silk are synthetic polymers
Explanation:
Fabrics such as cotton and silk are synthetic polymers because cotton and silk are natural polymers meaning they are gotten from natural source. Cotton is gotten from cotton plants and it is composed of cellulose which is a carbohydrates.
Silk also is gotten from animals I.efrom insect fibre or the cocoons of the larvae of the mulberry silkworm which is a polymer.
Answer:
Yes
Explanation:
Element D will also burn in oxygen, because elements classified under same group has similar physical or chemical properties.
The answer is the troposphere. It is the lowest layer and contains almost all of the water vapor and air on Earth. Most of the clouds are also found here. Winds collect moisture in the clouds and varying temperatures have an effect on weather. Because of this, storms can form.
I think it is B. Mechanical waves carry energy through a medium.
Answer:
intinal speed should be 10
Explanation:
v = v0 + at
30 = v0 +10.2
then v0= 10
