hormone methods, such as birth control pills, protect against stis.true or false?

The use of medications (hormones) helps to prevent ovulation and it is false that it protects against STD's because std's transmit from sexual contact so medications dont help in prevention of std's

It shows that the experiment is designed properly.

4- c, because all matter stays the same no matter what. it is still there. 5- b, because matter is known as mass. 6-c because, flammability is a chemical property. malleability is changing the shape of an object.