it is A Acid
Explanation : Any substance that yields a hydrogen ion when placed in a water solution is called an acid. According to Arrhenius theory of Acids and Bases, Acids are those substances which on dissociation in solution generates ions. Whereas a Base is a substance that dissociates in the solution to produce ions.
Physical change is where u change physically or on the "outside" hope this helps, have a great day!
Answer:
Explanation:
Excess fertilizers, herbicides and insecticides from agricultural lands and residential areas.
Oil, grease and toxic chemicals from urban runoff and energy production.
Sediment from improperly managed construction sites, crop and forest lands, and eroding streambanks.
Answer:
asthenosphere- strong,lower mantle made of dense rock.
inner core-made of solid,dense iron and nickel
lithosphere-Thin,outermost layer that is divided into
tectonic plates.
Mesosphete-layer of weak,soft rock in upper mantle that flows in convection current's.
Answer:
An endothermic process is any process with an increase in the enthalpy H (or internal energy U) of the system. In such a process, a closed system usually absorbs thermal energy from its surroundings, which is heat transfer into the system.
