If a substance has a density of 2.5 g/ml and the volume of the substance is 8 ml what is the mass of the substance

HOw could overuse of household disinfectants weaken the immune system

Which of mendels laws or principles states the gametes carry one allele for each trait

A neuroscientist records neuronal firing from hillary's retina and notices that her m-cones and l-cones are both firing at an equal rate. From this, hillary is probably looking at a:

Working with something as tiny as a cell requires special equipment. Which tools and techniquest do you think might be useful when working with live cells? Check all that apply.

If the galaxy is observed over time, which of the following observations would most strongly suggest that gravitational forces are acting throughout it?

If you looked at heart cells, would you expect to see a lot of mitochondria or only a few? Why?

Which of the below is TRUE regarding desertification? a. It is likely to happen in any type of climate b. It produces rich desert ecosystems c. It is not usually impacted by droughts or climate change d.

What is considered a pre existing medical condition?

Humans do not eat the algae directly from the ocean, so how can we still be affected by it?

In an effort to control the ongoing cholera epidemic affecting Haiti, health officials are considering the use of cholera vaccines. One difficulty they are facing is the limited vaccine supply.