(Question)
Passive immunity lasts only as long as the antibodies survive in body fluids, and breast Milk contains antibodies. Given these facts, what can make passive immunity last among the following options: - resistance - sweating - Leptospirosis - breast milk - smoking tobacco - the environment - competition - fur seals
(Answer)
breast milk

(Question)
The surface of a beach is formed by mechanical weathering, and beaches Anymore Sand is one of the most common materials on the earth's surface. Given these facts, what process creates sand among the following options: - Water expanding - beach - evaporation - friction - silicon dioxide - weathering - dunes - rainfall
(Answer)
weathering

(Question)
Hearing is used for sensing sound by animals, and hearing requires functioning ears. Given these facts, what are used for sensing sound in animals among the following options: - in the frog family - four limbs - non-functioning ears - noses - eyes - chemical messengers - Electrical energy - functioning ears
(Answer)
functioning ears