It's
there
obtained
that
be
amounts
endless
regularly refill
that
be
2.
Many people would like to wear clothes made of natural fibres like cotton and wool.
However, there is not enough of these natural fibres to satisfy the demand.
How can scientists solve this problem?
(1
3.
State one advantage and one disadvantage of using synthetic materials such as
PVC and nylon.
No commitments. Cancel anytime. All pricing is in US dollars (USD). The subscriptoin renews automaticaly until you cancel. For more information read our Terms of use & Privacy Policy