Answer:
does not change the identity of a substance
Explanation:
when a substance undergoes a physical change, the molecules move further apart but the chemical structure of the molecule does not change
Answer:
Becomes a chromosome.....
You didn't give the options for "which" but I assume your multiple choice questions will all be environmental factors that can cause mutations. To pass on to offspring, any mutation in the gametes or a chromosome may cause a mutation in the offspring.
Answer:
Eat many of the species there making it hard for the animals that already live there survive.
Answer:
Medulla – The primary role of the medulla is regulating our involuntary life sustaining functions such as breathing, swallowing and heart rate. As part of the brain stem, it also helps transfer neural messages to and from the brain and spinal cord. It is located at the junction of the spinal cord and brain.
Explanation:
