If I start in south africa and go west witch continent would I reach first

The answer is 1-plate movement along fault lines

Sequoia national park  /  inyo national forest, california, u.s. mount whitney is the tallest mountain in california, as well as the highest summit in the contiguous united states and thesierra nevada—with an elevation of 14,505 feet (4,421 m).

Tropical climate is experienced in the nothern countries of south america