Answer:
Plastics are made from natural materials such as cellulose, coal, natural gas, salt and crude oil through a polymerisation or polycondensation process. Plastics are derived from natural, organic materials such as cellulose, coal, natural gas, salt, and crude oil.
Protein synthesis begins with genes
Answer:
true
Explanation:
Coal is a non-renewable energy source because it takes millions of years to form.
Invasive exotic species are species that interfiere with the natural food chain and are usually foreign
Answer:
The whole body works together, as a “team.”If one of the parts of the body won’t work together as a team, everything will get messed up. The stomach muscles churn and mix the food with digestive juices that have acids and enzymes, breaking it into much smaller, digestible pieces. An acidic environment is needed for the digestion that takes place in the stomach.
Explanation:
