The heart rate reserve is equal to the difference between maximum heart rate and resting heart rate. Maximum heart rate is usually calculated by:
Hmax = 220 - age
Hmax = 220 - 40 = 180
HRR = Hmax - Hrest
HRR = 180 - 75
= 105
The answer is B
Natural barriers include the skin, mucous membranes, tears, earwax, mucus, and stomach acid.
Answer:
It is a little to early but if you think you you are for real inlove and you alredy meet her very well then go for it.
Explanation:
Answer:
•Water Pollution – Thousands of chemicals from cleaning products are washed into streams and rivers. Some persist in the environment and enter the food chain.
•Air Pollution – Volatile organic compounds (VOC) in cleaning products can affect indoor air quality and add to outdoor smog. Plus, transportation leads to carbon emissions from trucks.
•Waste – Many containers are not made from recyclable materials. Packaging and empty bottles often end up in landfills. Hazardous materials may have a special requirement which usually requires energy for transport and disposal.
Explanation:
Many cleaning supplies or household products can irritate the eyes or throat, or cause headaches and other health problems, including cancer. Some products release dangerous chemicals, including volatile organic compounds (VOCs). Other harmful ingredients include ammonia and bleach.
THANKS & BRAINLIEST!!!
Answer:
By keeping a safe distance and watching their speed.