Meninges are three membranes beneath the bone coverings that envelope the brain and spinal cord
They include injectables (such as Depo-Provera), oral contraceptive pills, patch, ring and the diaphragm. The least effective<span> methods result in 18 or more pregnancies per 100 women in a year, with typical use. They include male and female condoms, withdrawal, sponge, fertility-awareness-based methods, and spermicide.</span>
1 - sentence
2 - copy and paste
3 - make spelling error
Explanation : In order to write a research paper, the objectives of writing it should be very clear. We should not write irrelevant sentences that don not relate with the aim of the paper. While writing the paper in our own words, we should ensure not to copy and paste from other journals and keep the grammar right. The sentences should be well phrased and we should get our paper checked by someone for the purpose of proofreading.
