Pesticides can cause pollution, and pollution is the release of harmful substances into the environment. Given these facts, which of the following can release harmful substances into the environment among the following options: - vehicles - cigarettes - fossil fuels - Thunderstorms - Photosynthesis - Pesicides - Tree sap - mines
Pesicides

(Question)
Arubber band snapping causes the particles in the rubber band to vibrate, and heat causes molecules of the material to vibrate. Given these facts, what does a rubber band snapping cause among the following options: - loss of heat - Injury - waves - cold - energy - sound - energy destruction - heat
(Answer)
heat

Ques: Being exposed to wind can cause erosion of soil, and soil Erosion Soil erosion is caused by disturbance of a land surface. Given these facts, what can being exposed to wind cause among the following options: - a lot of human deaths - death and devastation - increase in carbon - forest is destroyed - a tree falling - disturbance of land surface - loss of sunlight - low tides
Ans: disturbance of land surface

(Q).
Acavern is formed by carbonic acid in groundwater seeping through rock and dissolving limestone, and carbon dioxide dissolved in rainwater forms carbonic acid. Given these facts, what chemical creates a cavern among the following options: - carbonic acid - heating liquids - hydrogen and oxygen - aqueous solution - salt - oxygen - hydrogen - flow of electrons
(A).
carbonic acid

Ques:Oxygen is just one substance transported by the blood, and blood glucose is the substance that feeds our cells. Given these facts, oxygen and glucose share this mechanism in the body: among the following options: - it needs them - aerobic capacity - transportation - flow of electrons - Energy. - Veins and arteries. - sweating - oxidation reaction

Ans:transportation

The surface of a beach is formed by mechanical weathering, and examples of mechanical waves include water waves, waves on a string, and sound waves. Given these facts, the surface of a beach is formed by what among the following options: - cracking - ocean surface - water type - sun's heat - water waves - forces - evaporation - water views
water waves