Read this sentence from the Florida Exotic Pest Plant Council website: Many parks and nature reserves manually remove invasive plants (and sometimes animals) with the help of local volunteers.

Which paraphrase best avoids issues of plagiarism?

Many places manually remove invasive plants and animals with help from others.
Parks and nature reserves remove invasive plants and animals with volunteers, manually.
Some areas use volunteers to remove plants and animals that are considered a threat.
With the help of local volunteers, many parks and reserves manually remove invasive plants and often animals.

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.