There are some fibres that are prepared by man by using chemicals, these are called synthetic fibres these are made of small units that join together to form long chains
Answer:
ExplanationImage
Atmospheric Pressure is the force per unit area exerted on a surface due to the weight of air molecules above it. It is caused by the collisions of the air molecules with that surface.:
4, 3, 1
Explanation:
Sb has four on the right, so it needs four on the left. It's all alone, so <u>4</u>.
O2 comes in pairs, so you only need <u>3</u> of those to get six oxygens.
And 1 is the place holder for the right side since we got the left to match perfectly.
The atoms of the reactant rearrange to form new products.
