Derek is a gymnast, and his favorite event is the rings. To score well, he is required to hold a position for several seconds before continuing into the next move. In his favorite move, he performs shoulder abduction to form a "T" and then holds it without moving. While Derek is holding this position, what type of contraction is his deltoid performing?

transportation i would say maybe sorry it its not correct

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

cutting out negative people, changing their diets, exercising, taking off days from work or school, etc

the suction machine and tubing is the equipment that should be left behind and should be most easily accessible.