Because hhumans are animals as well and in a lot of way our behavior is similar.
Grrr. Smart ppl where the heck r ya?
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".
They have a very good behaviour to listen to owners when taught something
cyber communication can be useful with looking for more information about studies.
If someone wishes to persue a career in US politics it would be useful if they undertook a degree in American Studies as it provides them with useful information about American studies.
scientific model is a testable idea based on studies on a particular subject. It is useful to scientist for further studies and research on similar idea, subject.
An animal adjusts its behaviour based on experience-that is, it learns-when experience at one time provides information that will be useful at a later time. Viewed in this light, learning is seen as a tool for survival and reproduction because it helps an animal to adjust its behaviour to the particular state of its environment. An animal needs to know such things as what food is good to eat, when and where to find it, whom to avoid and approach, with whom to mate, and how to find its way home. When these things are not genetically preprogrammed-because they depend on the particular circumstances of an individual's time and place-the animal must learn them.
whether internet will be useful for my ME sudies
it is very useful in all fields
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....