What answer about the following two
statements is true?
i. Revolvers retain the spent cartridge
cases until they are manually removed,
whereas self-loading pistols eject the
spent case a fraction of a second after
the cartridge has been fired.
ii. Cartridge cases are more likely to be
found at a shooting incident involving a
self-loading pistol than one in which a
revolver was used.

≅200-130 milions years ago pangea splited in 2 continents

answer; ///(b) it is composed of four protein chains and four heme groups;

common management practices in dairy and poultry farming are: (i) proper shelter facilities and their regular cleaning. (ii) some basic hygienic conditions such as clean water, nutritious food, etc. (iii) animals are kept in spacious, airy, and ventilated place.