An increasing salt content in the oceans of the world is a good example of

1) one-way change

2) reversible change

3) cyclical change

4) repetitive change

Consider the classification levels of a honey bee. Eukarya Animalia Arthropoda Insecta Hymenoptera Apidae Apis mellifera To which class do honey bees belong? A.) Arthropoda B.) Insecta C.) Hymenoptera D.) Apidae

Both a father and child drink water that has flowed through lead pipes. there is also lead-based paint on the walls of their homes. over time the child shows effect of lead poisoning. the father doesn't explain how this could be possible.

How does altitude affect air pressure and density? Check all that apply. Air is less dense on a mountaintop than at sea level. Air pressure is lower at low altitudes. As you climb a mountain, air pressure increases.

Which of the following is used up during cellular respiration A. Carbon dioxide B. Mitochondria C. Oxygen D. Water

Sentence geography landform basin, foothills, strait

The scientific methon is limited to investigating physical phenomenona that are which of the following

How many neutrons does element X have if its atomic number is 41 and its mass number is 162?

In a pig 1 hour after eating corn the primary source of blood glucose will be

When a virus uses the chemical machinery of a cell, the virus acts much like a?

Why is it not possible to completely convert thermal energy into mechanical energy