The answer is; from the spread of infectious diseases
Infectious diseases are easily spread by air, bodily fluids and also water because the microorganisms that cause them use these as media. Wearing gloves during first aid protects against those spread by bodily fluids such as sweat and blood. The air mask protects against those spread through the air.
The amount of that a food contains is measured in calories.
Calories in food are actually measured in kilocalories, so 1000 actual calories for every 1 Calorie listed
The correct answer should be
<span>1.learn how to warm up
2.use equipment properly
3.listen to bodily symptoms
4 is not it because you should never work out through strains since it can cause even greater injury that might harm you for life. 5 is not it because cardio exercises can be dangerous in areas where humidity or temperature or things like that make living more difficult since it can affect breathing and heart rate improperly.</span>
Because carbon monoxide can't be seen, smelt, or felt. and due to its toxicity it is highly recommended to have a carbon monoxide in your home