Chọn phát biểu sai về gia tốc của chuyển động thẳng biến đổi đều

Answerthe global climate during the paleogene departed from the hot and humid conditions of the late mesozoic era and began a cooling and drying trend which dispite having been periodically disrupted by warm periods such as the paleocene-eocene thermal maximum, persists today;

The answer is: c. from underground