I think it’s B. Fluoridated Gases
Answer:
In order to protect the face.
Explanation:
The grill spaces on a helmet are small in order to prevent objects to enter inside the helmet. This small grill spaces on the helmet protect the face from very small as well as large objects. The main reason for making grill spaces small on the helmet so that we prevent the entering of the ball and avoid injury of the face so that's why we can say that grill spaces are small on the helmet.
Answer:
You should not exercise in the cold because it's really bad for your bones, and you will get dehydrated and pass out if you're exercising in extreme heat.
Explanation:
The answer is a. A nerve that contains both sensory and motor fibers