Read this excerpt from A Black Hole is NOT a Hole. But you know what?

A black hole isn't a monster. It's not even alive. That means it can't lurk, eat, or belch. It has no dark, destructive desires.

Of course, you may have already figured this out. But you know what else?

A black hole is NOT a hole—at least not the kind you can dig in the ground or poke your finger through.

You can't just walk along and fall into one.

A black hole isn't a hole like that.

If a black hole is not a hole, then what in the universe is it?

In this introduction, the author clearly explains which purpose for her writing?

She will study black holes and define what they are.
She will study black holes and dig one in space.
She will study black holes and travel to see one.
She will study black holes and measure their depth.

There are 25 elements found in living things. how many of these elements are found in some organisms but not all? 1 , 6 , 19 , 25

Ageneral requirement for informed consent is that no informed consent may include any exculpatory language. exculpatory language is that which waives or appears to waive any of the subject’s legal rights or releases or appears to release those conducting the research from liability for negligence. which of the following statements in a consent form is an example of exculpatory language? taking part in the research is voluntary, but if you choose to take part, you waive the right to legal redress for any research-related injuries.your participation in this research is voluntary. if you choose not to participate, or change your mind later, your decision will not affect your relationship with the researcher or your right to other services that you may be eligible for.in the event of any distress you may have related to this research, you will be given access to appropriate resources.the researcher may stop you from taking part in this research without your consent if you experience side effects that make your emotional condition worse. if you become too emotionally distressed during the research, you may have to drop out.

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