In some areas, limestone is found underneath the soil. In these areas, water can wear away the limestone and sinkholes may form on the surface. What is responsible for the formation of sinkholes? A. chemical weathering

B. physical weathering

Consider darwin's first writings on the theory of natural selection. an important point of darwin's essay on the principle of population, written in 1798, was a peer's observation that in nature plants and animals produce far more offspring than can survive, this observation can be attributed to a) charles lyell. b) thomas malthus. c) jean-baptiste lamarck. d) johann friedrich meckel.

The buildup of sediments where a river empties into a slow-moving or nonmoving body of water is known as a/an

28. how many linkage groups will be formed by homogametic organism with 28 chromosomes?