Which is true of hydroxide ions?

a.) they contain two hydrogen atoms

b.) they are not found in pure water

c.) they dissociate to form protons

d.) they have a negative charge

What does a snail eat or how does it get energy?

What are three major parts of the cell theory

Covalent bonds place constraints on the shapes of biological molecules. As the size and complexity of a biomolecule increases, the chemical focus shifts from covalent bonds to noncovalent interactions.

he island of Madagascar is located just off the SE coast of Africa, in the Indian Ocean. Scientists find species on this island that have close biological relatives in both Australia and India.

Phosphorus is atomic number 15. when it comes to bonding with other atoms, what is phosphorus likely to do

Which process changes sedimentary rocks into igneous

Unlike minerals such as iron and calcium, protein is a macronutrient in the human diet. Why is protein a macronutrient?

Energy drinks have become increasingly popular. Somebody's trying to contain large amounts of caffeine which is known to increase heart rate in most individuals. This effect on the heart rate can be Dangerous because it can lead to

Which statement describes an activity of a decomposer? A) a mushroom digests and absorbs nutrients from organic matter?

How does science works