What is the main organ of the urinary system A. Gallbladder
B. Stomach
C. Kidney
D. Small intestine

What is the purpose of the urinary bladder?
A. Collects and stores tears
B. Collects and stores sweat
C. Collects and stores solid waste
D. Collects and stores urine

the index of refraction of the second medium is higher. i just took the test trust me !

affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.

before, trains worked using the steam engine. thus, it uses heat so it is crucial to apply heat balance. the steam engine absorbs energy during the stage of boiling water. so, this is the endothermic reaction. when the steam is used to work the piston, it has to release this energy through running the train. the excess energy is released as an exhaust to the chimney. this is the exothermic process because it releases energy to the surroundings.