Which of these is a base?

ammonia

HCI

vinegar

HNO 3

What is a question about science

Based on your knowledge of how the greenhouse effect works, why does the level of carbon dioxide affect the global temperature?

If a total distance of 750m is coverded in time interval of 25s the average

What practices can prevent food borne pathogens

A scientist discovered that Earth's outer layer is made of plates. These plates can move. The movement of these plates explains why volcanoes and earthquakes occur and the formation of mountains.

What do amoeba proteus, dinoflagellate, and euglena viridis have in common? a. they all can move and make their own food b. they all can move and use eye spot to locate food c. they all can move and be heterotrophic d.

How is a scientific hypothesis best evaluated?

The overall population of a species decreased. What could have occurred to make this happen? The immigration rate increased, while the death rate decreased. The birth rate decreased, while the death rate increased.

Which of the following terrestrial biomes cannot be found in the United States? A: temperature deciduous forest B: tundra C: desert D: grassland/prairie

Which of these food sources does the bald eagle not feed on? plants fish carrion mammals