4. A three-carbon alkene contains two double bonds. Predict its molecular formula?

A. C3H4

B. C3H5

C. C3H6

Which statement is true about the male reproductive system? The testes produce semen. Sperm cells are the largest component in the composition of semen. The scrotum functions to keep the testes at an optimum temperature.

Which life characteristic describes a long-term response to the environment?

In which organelle does photosynthesis take place? stoma vascular bundle mitochondrion chloroplast

What would likely happen to global climate if there was a dramatic decrease in greenhouse gases trapped in the atmosphere

What is is unity among all living organism?

What is the meaning of calories

Whats the difference between Phylum and Genus

What tool is used to measure the movements of paramecium

How are earthquakes and volcanoes related

How does the color of light affect the rate of photosynthesis