How would you contract an std if you did use protection? ? written response no choices will mark brainliest

Well for one thing Condoms are NOT a 100% guarantee to keep you safe from pregnancy or STD's. With that being said, yes condoms are much safer that unprotected sex but there are cases where a condom might break/burst.They can tear if there is too much friction and not enough lubrication. Like foods and drinks condoms also have an expiration date it is important to check it and use before the date or throw in trash if its expired.  

a progressive heart disease that affects pumping action of the heart muscles.

b and c would be the answers