Answer:
mt brothers and sisters, dog, cat,
Explanation:
Answer:
Calcium is a mineral that people need to build and maintain strong bones and teeth. It is also very important for other physical functions, such as muscle control and blood circulation.
Explanation:
Answer:
Mutations are random Mutations can be beneficial, neutral, or harmful for the organism, but mutations do not “try” to supply what the organism “needs.”
Explanation:
Warm fronts cause several days of cloudy weather, while cold fronts cause heavy snow in the winter.
Answer:
control group
Explanation:
In manipulative studies, it is necessary to have an experimental group and a control group.
