Do all contraceptives effectively protect against stds

This is false

Explanation:

I am pretty sure I remember this from last year. Hope this helps! Can you please give me Brainliest?

c. the runner should sprint as fast as possible to the finish line.

all soils contain mineral particles, organic matter, water and air the combinations determine the soil's properties – its texture, structure, porosity, chemistry and color. soil is made up of different-sized particles. sand particles tend to be the biggest.