1 Describe how you decide to send the ball against the wall in order to make it a challenge for your opponent to return the ball to you.​

Answer and Explanation:

Ideally, an upright posture should be maintained first to avoid injury and to allow a correct impulse when sending the ball to the wall. then, it is important to apply moderate force allowing the opponent a chance to hit it. To avoid injury, it is necessary that the wrist is kept straight and the ball is placed in the palm of the hand before it is thrown.

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

answer; make a decision about which healthcare product to purchase///or review the decision about the healthcare product; good luck