<span>They must be able to breed and produce fertile offspring.</span>
Answer:
200 acres because you have on tractor going 20 in 4hours you multiply by five giving you 100 and then times 2 because the hours are doubled
Explanation:
Hope this helps:)
Tears and mucous membrane are part of the General defense
system. The General defense system of the body consists of the skin, clotting,
sweat glands, lysozyme, mucous membranes, nasal hairs, cilia, hydrolic acids,
and the vagina. General defense systems have a vital role in giving barriers to
stop bacteria in entering our body which will make us sick.
