Molly is jogging on the treadmill. after 20 minutes her heart rate has not increased, she is able to talk and is not sweating. if molly wants to improve your fitness level what should she do?

a: she should switch to another piece of gym equipment

b: she should increase the intensity of her exercise

c: she should take a day off to rest and recover

d: she should decrease her heart rate

to prevent people from getting the ebola virus, countries around the world paid to doctors develop a new vaccine. now that the vaccine has been made, doctors will need to experiment on a large number of people to find out if it works safely.

what is the greatest limitation that scientists are dealing with as they try to figure out how to experiment with the ebola vaccine?

meditation is a practice of sitting still and quiet for minutes or even hours. it has been practiced for thousands of years and is even a part of religious practices for some people. carefully controlled, repeated measurements of brain activity have shown that meditation does increase certain chemicals in the brain and even grows the part of the brain that people connect with their current surroundings and activities.

are claims about the effects of meditation most likely scientific or pseudoscientific?

not pseudoscientific, because people have made claims about it but scientific observations have not been made