Are radioactive elements natural and not harmful

Which statements describe advantages of models in science? Check all that apply. Models are always the same. Models are tangible. Models oversimplify science. Models show noticeable patterns. Models explain events. Models develop representations.

You have a cup of vegetable oil and a vial full of normal phospholipids. What would you predict would happen if you dropped the phospholipids into the cup of vegetable oil?

Marina is drawing a plan for a new garden. The rectangle plotted in the coordinate plane represents the garden, measured in feet. How much soil will she need to cover the garden? 10 ft2 12 ft2 20 ft2 24 ft2

Under which conditions is it appropriate to re-contact the individuals who provided biological specimens?

The signal that marks the end of a gene and causes transcription to stop is

Who signs a death certificate

It is appropriate for clients diagnosed with type 2 diabetes to take oral antidiabetic agents and forego recommended dietary changes.

If reviewers find the evidence or reasoning faulty, the manuscript can still be accepted. True or false

What does a graduated cylinder measure? i need this for my biology homework since I do not have my book with me at the moment.

How does heart rate change during and after an exercise is performed for two different periods of time?