Answer:
an enzyme is a protein which is used to break down food
Explanation:
The answer is A, a vaccine. This is why they are often given to children for prevention.
Answer: Organisms interact with the nonliving parts of their ecosystem to get food, energy, and other resources that help them survive. The nonliving parts of the ecosystem are called abiotic factors. Sunlight: Sunlight provides energy that plants and certain bacteria absorb to make their own food.
Answer:
Object is moving away from observer.
Explanation:
If a force is applied to an object it starts moving. The object will move towards the observer, this is known as Doppler effect. It is when an observer or the thing under observation moves. There is change in its position due to a force exerted on it. The motion of the object also depends on the direction of force.
No because the child can get somethinf later on in their life that wasnt spotted before