Our bodies produce an enzyme called lactase. This enzyme helps our bodies digest lactose (a sugar found in milk). As we age, the amount of lactase our bodies produce decreases. Some people don’t produce as much as others. If you are lactose intolerant, it means your body doesn’t produce a lot of lactase. One option is to drink milk with lactase added to it.
Example: Lactaid
She should ask how far apart are the contractions, has your water broken, etc
To survive natural selection, one must be fit and be able to adapt to the environment and situations, thus why it's called survival of the fittest.
<span>The correct answer is a substance freezes. That is because this is a change of a physical property, not a chemical one. This shows that the chemical is still exactly the same and will react the same, it is only different in its state of matter, which is irellevant for its chemical properties. It will still react the way it's supposed to react when combined with other chemicals.</span>
These substances are known as reactant
