A vector is a quantity which has direction as well as magnitude.
Vectors are quantities that are fully described by both a magnitude and a direction
The rate of change of displacement with respect to time.
capable of injecting venom by means of a bite or sting
A microorganism that is smaller than a bacterium that cannot grow or reproduce apart from a living cell. A virus invades living cells and uses their chemical machinery to keep itself alive and to replicate itself.
Infective agents that typically consist of a nucleic acid molecule in a protein coat, is too small to be seen by light microscopy, and is able to multiply only within the living cells of a host.
An aesthetic issue and refers to the impacts of pollution that impair one's ability to enjoy a vista or view. Visual pollution disturbs the visual areas of people by creating negative changes in the natural environment. Examples could include: the presence of overhead power lines, motorway billboards, scarred landforms , open storage of trash, and municipal solid waste .
Garbage, trash, rubbish
Water pollution is the contamination of water bodies such as lakes, rivers, and oceans.
A unit of power . Rate of working of 1 Joule per second.
A venomous rattlesnake species found in the United States and Mexico.
Land remaining in an undisturbed condition, with few if any traces of human activities.
Animals living in the wilderness without human intervention
Power (energy per second) derived from the wind .
Any indication that a measuring system gives a false reading when the true value of a measured quantity is zero, eg the needle on an ammeter failing to return to zero when no current flows.
A zero error may result in a systematic uncertainty.