Explain why exercise programs must increase in difficulty and duration over time to remain effective

It gets harder to lose more weight each time someone exercises

Explanation:

the thinner someone gets, the harder it is to lose weight

As a personal trainer, you must increase wait over periods of time or your bodies muscle will not grow, I’m fact it will get weaker until you have to start going down wait.. now staying at the same wait with multiple reps (repetition) can increase your strength depending on how many you have to do.

Explanation:

Please give brianliest could really use it! Thank you

your answer is false

explanation:

because there is law who can mage these sorts of things

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