What is the author’s main purpose in Screen Time Can Mess With the Body’s “Clock”? * 1 point
A. to explain possible effects of using certain electronic devices before trying to sleep
B. to describe the effects of too much sleep on the way people feel during the day
C. to persuade people that electronic devices are better than print books
D. to explain why many people have stopped reading print books

Write about a scientist and present information including a short biography, contribution,their scientific achievements and contribution to science

Which quotation best supports the authors’ claim and purpose?

Walking is not the most exciting form of exercise a person can take on for fitness. yet it is low impact and requires no fancy equipment. that makes walking a simple activity for those new to exercise. walking is less likely than other exercises to cause injury to leg tendons and muscles. all it requires is a good pair of sneakers-no cables, stylish outfits, or weights required. of course, a person could increase the benefit of a workout by adding weights or speed walking. identify the main idea of this paragraph. walking is a difficult and safe exercise for beginners. walking is an easy and safe exercise for beginners. walking is a boring and dangerous form of exercise. walking is an exciting and very effective form of exercise.