Every 1000000 years the earths orbit becomes more elongated this change in orbit has caused past ice ages and its called a) condenstion cycleb) milankovitch trend c) milankovitch cycle d) elliptical cycle

Every 1000000 years the earths orbit becomes more elongated this change in orbit has caused past ice ages and its called;

C) Milankovitch Cycle

Explanation:

b tumor cells have a cell wall instead of a membrane

explanation:

tumor cells different from normal cells because tumor cells have a cell wall instead of a membrane.