Answer:
The first difference between STDs and STIs is in the name. STD stands for sexually transmitted disease, whereas STI means sexually transmitted infection. Essentially, the difference is between a disease and an infection.Jun
Answer:
As one plate subducts, it sets up convection currents in the upper mantle that 'exert a net trenchward pull'
Explanation:
The study of places on Earth. Like countries, oceans, etc.