True, formation of free radicals <em>can </em>increase your risk of cancer and heart disease.
Answer:
true
Explanation:
It helps you stay healthy and fit more than driving a car would.
Answer:
C. more examples of parallel play among the 4-year-olds.
Explanation:
Parallel play usually starts after the first birthday and will be decreasing when the child starts to interact more with other kids and stop being egocentric. This kind of play consists of playing among other kids, but without interacting with each other, they observe what the other kid is doing and do the same. 4-year-olds kids are still egocentric and do not interact a lot with their mates, while 8-year-olds kids interact with each other, are not egocentric, and have a different type of play.
Mutual Structure. Mutual structure is something popularly used in insurance, especially larger, nationwide insurance companies.
Answer:
A typical example of a physical barrier to an infection is the <em>SKIN</em>
Explanation:
The skin is a protective coat that shields the tissue from exposure to physical contact, hence; act as a barrier to infection that would have easily penetrated into the body system. Skin has different layers that achieves this process, the outer layer, middle layer and the inner layer. every layer has its vital role to ensure infections are barred from entering the body through physical means