Resources have an ethical value if A. They are used to produce goods. B. We have a right to take advantage of them. C. They are particularly beautiful. D. We have a duty to protect them.

You are observing different types of cells in your science lab. one cell has many chloroplasts. what is the most likely function of this cell? a. energy production b. photosynthesis c. reproduction d. digestion

Which type of stimulus do mechanoreceptors detect? sound pain heat light

The diagram shows a chicken embryo and a human embryo