Uncontrolled cell division is known as
(1) meiosis
(2) cancer
(3) antibody production
(4) sexual reproduction

2)Cancer

Explanation:

Cancer is a group of diseases characterised by uncontrolled cell division which leads to growth of abnormal tissue.

correct answer is option a.

tropopause, stratopause and mesopause have all in common aspect that is point of maximum temperature in its layer of the atmosphere. all layers of atmosphere observe abrupt change in temperature. tropopause is the boundary between troposphere and stratosphere. stratopause is the boundary between stratosphere and mesosphere. mesopause is the boundary between mesosphere and thermosphere. these all boundaries are ranges between altitude of 0 to 80 km.

c. movement because i took the test and it lets me review my answers