CAN SOMEONE ANSWER MY QUESTIONS FOR ME PLEASE!! IM DESPERATE AND I NEED HELP! i’ll mark as brain.

Answer(a); // soil salinization and waterlogging;

Ibelieve it is- a mixed economy offers some protection for consumer rights but still allows a good deal of choice.

The first immigrants to settle in what is now the united states were the ancient ancestors of modern native americans. the precise routes of those first north american immigrants are disputed, but there is no uncertainty about the fact that every human being on the continent is either a recent immigrant or a descendant of earlier immigrants. since the first immigrants came here from asia more than thirteen thousand years ago, there have been four large and easily recognizable modern waves of immigrants into the united states.

Ithink the second one is correct