Define mass defect. the difference in mass between an atom and the sum of its separate components energy released in a radioactive reaction an atom with too many neutrons the difference in mass between a radioactive atom and a nonradioactive atom energy absorbed in a radioactive reaction

when atmosphere interacts with biosphere they focuses on on the sources and sinks of green house gases (ghgs) air pollutants, particular matters, water and energy between the earth's surface and the atmosphere. the biosphere affects the climate. the atmosphere and biosphere are in constant interaction with each other, and all living things rely on gases in the atmosphere for life. organisms such as animals take in oxygen gas form the atmosphere to use in every cell of their body for smooth functioning of daily routine exercises.

there are two significant figures.

qualitative observation deals with data that can be observed with our senses: sight, smell, touch, taste, and hearing. they do not involve measurements or numbers. for instance, colors, shapes, and textures of objects are all qualitative observations.

gasoline is a mixture. it contains several different kinds of compounds that can be present in a variety of ratios.