Answer:
Aerobic exercise such as jogging, elliptical trainer or spin class increases cardiovascular and respiratory endurance. To some extent, they also improve muscular endurance.
Explanation:
Aerobics is a form of physical exercise to help train.
Provides the crop with protection from insects and parasites
A physical property is an aspect of matter that can be observed or measured without changing it. A chemical property may only be observed by changing the chemical identity of a substance.
The correct answer is D. Abstinence
Explanation:
A contraceptive method or birth control method refers to a method used to avoid pregnancy or reduce the probability of getting pregnant. From antiquity, there have been different contraceptive methods but only in the last decades, methods have been designed based on science and its effectiveness has been studied.
Because of this, nowadays there are many contraceptive methods such as pills, condom, and implants that are about 80% to 95% effective, sterilization that is a around 98% effective and natural methods that have a lower percentage of effectiveness. But the only method that has been proven as completely effective or 100% effective is abstinence because by avoiding any type of sexual intercourse it is virtually impossible an egg can be fertilized by a spermatozoid.