The motion causes day and night because the earth is constantly spinning on it's axis.
The population tha increases the amount of soil nutrients available to plants is D) bees that help spread pollen from one plant to another.
substance is matter of particular or definite chemical constitution ex: iron, methane
mixture are two or more substances that have been combined to retain their individual chemical characteristics ex: salt water, cola
Answer: 5
Explanation: this is because the energy level of the emitted of absorbed photon increases as the number of electron shell decreases, thereby making the inner shell have higher energy than other shells
