Answer: C. moderate weight with high repetitions builds strength, while heavy weight with low repetitions builds
Explanation:
The lungs is your answer :)
B. tough strong tissues that provide energy to perform physical activities.
- Tendons and cartilage are connective tissues.
- Fibers are fibers not muscles.
Hope you could get an idea from here.
Doubt clarification - use comment section.
Answer:
ozone is dangerous at ground level.
Explanation:
Ozone is a very active gas. When it is lower down in the atmosphere, it is closer to living things and can harm them. It can damage the leaves of plants and effect how they use sunlight to provide food. In humans it can cause headaches, eye irritation, coughs and chest discomfort.
