Answer the following question given this paragraph: Good record keeping is very important in scientific research. Q: Hormones send what through your body? Choices: - nutrients - cells - proteins - signals A:
signals

Answer the following question given this paragraph: The smallest particle of an element that still has the properties of that element is the atom . Atoms actually consist of smaller particles, including protons and electrons, but these smaller particles are the same for all elements. All the atoms of an element are like one another, and are different from the atoms of all other elements. For example, the atoms of each element have a unique number of protons. Q: What is the smallest part of an element called? Choices: - core - neutron - nucleus - atom A:
atom

Answer the following question given this paragraph: Ocean water is salty because water dissolves minerals out of rocks. The ions enter the water. This happens whenever water flows over or through rocks. Much of this water and its minerals end up in the oceans. Minerals dissolved in water form salts. When the water evaporates, it leaves the salts behind. As a result, ocean water is much saltier than other water on Earth. Q: Ocean water has what property because water dissolves minerals out of rocks? Choices: - fizzy - sweet - muddy - salty A:
salty