(WILL GIVE BRAINLIST) ocean waves are a source of energy. in 1-2 sentences, make and justify a claim about whether ocean waves are renewable or not renewable or non renewable resource.

What was the land like over 500 million years ago? what was under the sea?

The response is the basis for vaccination. primary secondary tertiary none of the above

Scientists are conducting a study on the effectiveness of a new drug on memory loss. they are giving some of the test subjects the new drug to find out if it improves their long-term memory. which are possible limitations of this study? check all that apply. a) test subjects may want to participate in additional experiments. b) test subjects may think they should be paid more. c) test subjects may get bored and want to quit early. d) test subjects may have to travel during the experiment. e) test subjects may have full-time jobs. this is multiple choice. you for the !