FAST! What do s, l and g mean? Explain in full sentences
b. H2O (s) is solid water (solid) but what is H2O (g)?
down. Explain condensation, melting, and evaporation, and give examples.
re. The chemical symbol for iron is Fe. Iron melts at 1538 ° C. The chemical equation for melting iron is: Fe (s) → Fe (l). Explain in words what is happening in this chemical equation.
Write a chemical equation for;
1. Ice melting (ice is H2O) 2. Aluminum condensation (aluminum is Al)
3. Iron evaporation.

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.

in cartography, a contour line (often just called a "contour") joins points of equal elevation (height) above a given level, such as mean sea level. a contour map is a map illustrated with contour lines, for example a topographic map, which thus shows valleys and hills, and the steepness or gentleness of slopes.

explanation: