Need a is used to measure air pressure. barometer, temperature guage, tiltmeter, hydrometer

When a doggo starts to pace around in the same line for a hand full of days. what would that mean?

How did alexander fleming’s research solve a societal problem? he developed ways to treat inherited diseases. he advocated for regular hand washing to kill germs. he discovered a new type of medicine that could treat infections. he discovered the cause of mad cow disease, an emerging disease.

What happens to the amount of waste in the pond as the ecosystem ages?