Steel that is exposed to water and salt rusts quickly. if you were a shipbuilder, how would you protect a new ship? explain your answer.

Chicken pox and hepatitis are bacterial diseases. true or false?

Which phrase is the best summary of the model shown? a. the transfer of the sun's energy through trophic levels b. a series of aerobic and anaerobic reactions c. a transformation of light energy into chemical energy d. the breakdown of food molecules

All vaccination should(n’t) be mandatory! 1.at least 5 sentences explaining 2.why? 3.in the end summarize the sentence