Answer:
D
Explanation:
D is the best answer, as it’s the only true statement. The circulatory system consists of your blood, blood vessels, and heart. The system is mainly responsible for delivering nutrients and oxygen to your cells and removing waste like carbon dioxide.
Answer: a change in the temperature of the materials
Explanation:
Answer:
Sister chromatids separate.
Explanation:
Answer:
Angiosperms are the most advanced and beneficial group of plants. They can grow in various habitats as trees, herbs, shrubs, and bushes. The angiosperms originated about 250 million years ago and comprise 80% of the earth. They are a major source of food for humans and animals.
Explanation:
X is mathematically an unknown.
