Which of the following statements is an opinion?" A. Copernicus spent decades refining his heliocentric model

B. The first heliocentric model was too complicated to be the most important scientific
advance of its time

C. Clerics were expected to uphold the teachings of the Catholic Church

D. Copernicus recognize inaccuracies in the geocentric model

Please help

Which type of bond forms between water moleculesstrong bondhydrogen bondcovalent bondpolar bond

Elephants in the savanna regions of africa dig holes in dried up river beds to reach water lying just below the surface. these holes provide drinking water for other animals as well. so, without the elephants, many animals might otherwise die from lack of water during the dry season. the location in which the elephants live is an example of a/n and the role they play in creating water holes is an example of a a) ecosystem; habitat b) community; niche c) habitat; niche d) niche; habitat

Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.