Answer:
Food for the plant and the ground soil around the plant will get nutrients.
Explanation:
Answer:
round worms reproduce sexually
the nervous system of a roundworm contains a brain and nerve cords
Answer: genetics and mutation generate some of the variety that natural selection acts on
Explanation:
When contracted the Right Atrium pumps deoxygenated blood into the Right Ventricle below via the Tricuspid Valve.
Answer:
Physical change
Any change to the physical properties of a substance is called a physical change.
Physical changes are usually reversible as no new substance is formed. It is the same substance but with changed physical properties.
Chemical change
A change in which one or more new substances are formed is called as a chemical change.
Usually a chemical change involves a chemical reaction, which forms new products.
Example : Rusting of Iron, or burning wood.
Explanation:
have a good day <3 sorry i could answer q1 only ill think baout the others..
