Answer:
The answer is A, Both have a crest and a trough.
Explanation:
Please mark me brainliest.
Answer:
Products - consider its safety, cost, warranty, and consumer testing
Services - find out whether the person who will perform the service is qualified
Information - evaluate the source of the information
Explanation:
Answer:
Yes
Explanation:
they may result in lethal effects due to the increased toxicity