Which of the following sentences uses the present perfect correctly? tú has ido al mar en el verano. tú vas a ir al mar en el verano. tú ha yendo al mar en el verano. tú has yendo al mar en el verano.

The sentence that correclty uses the present perfect tense is the following:

Tú has ido al mar en el verano.

In this exercise, you have to select the sentence that correctly uses the Spanish present perfect tense (''pretérito perfecto compuesto'' in Spanish), which is used to talk about things that started in the past and continue or repeat in the present, as well as to talk about things that have happened in the recent past.

Check more information about the present perfect tense here link

the gravitational force will decrease in strength

explanation:

as objects move farther apart the gravitational ring also does the same and can completely diminish if the objects get far enough apart