Контрольные задания > 8) Since there is ... gravity in space, astronauts have to strap everything down so it doesn't float away.
a. vacuum
b. airless
c. zero
Вопрос:
8) Since there is ... gravity in space, astronauts have to strap everything down so it doesn't float away.
a. vacuum
b. airless
c. zero
Ответ:
c. zero
Объяснение: В космосе гравитация практически отсутствует, то есть равна нулю. Правильный вариант 'zero'.