Our ancient ancestors used them for food clothing and to make tools.today they r mainly used for food sporting equiptment and handbags
See the attached links for some useful resources.
Typically in American English the statement would be "a cow is a useful animal" - the first sound in useful is close enough to a consonant that most individuals will use "a" rather than "an".
Natrual Resources are useful to us because we need the air to breath,water to drink, and coal and etc...
There are many animal products that are very useful to man. Five of the most useful are beeswax, leather, pearls, feathers, bone, and fur.
jbyntmy
YES....
There are multiple online resources that one can use to find photos of animals. The official websites of the zoos are the most useful resource for the animal photos. The Australia zoo official website has awesome animal photos.
Business resources can be grouped into several categories. The most useful resources include financial resources, human resources, physical resources and intangible resources.
yes
yaks
Variations in organisms can certainly be useful in plant and animal breeding. These variations lead to adaptions to the environment.
coal