What are the important elements found in the human body and part of many organic compounds?

Which is a result of a seasonal change (meaning a change that happens over and over at a certain time of year) ? A. Trees destroyed in a forest fire B. Plankton dying due to pollution C. Fish moving to cleaner water D.

List at least one reason for not touching the magnesium metal with bare hands. 3. list two reasons for using crucible tongs to handle the crucible and lid after their initial firing in the experimental procedure.

A rise in atmospheric CO2 results in a rise in temperature. True or False

Three positive factors about glycolysis is that the process is Slow, Aerobic, and Large amount of ATP molecules. True or false and if false why?

What is the name of the oldest-living tree in the world?

Which of the following is not a factor in determining population size? a. the food supply b. birth rate c. available niches d. detritivore activity

Which is potentially a pathogen? a. acid rain b. toxic chemicals c. chlorine d. a virus

What scientific questions could Clyde ask about the compost pile? Check all that apply. Which item breaks down the fastest? Does decaying fruit smell the worst? Will the items break down faster if heat is added?

Cells that only have one copy of each chromosome are called haploid cells. Which types of cells in our body are haploid?

Which brain vesicle gives rise to the midbrain and cerebral aqueduct?