Alead block drops is temperature by 5.90°c when 427 j of heat are removed from it. what is the mass of the block? (unit=kg)

Ahowler monkey is the loudest land animal and, under some circumstances, can be heard up to a distance of 4.6 km. assume the acoustic output of a howler to be uniform in all directions and that the threshold of hearing is 1.0 × 10-12 w/m2. what is the acoustic power emitted by the howler

The respiratory system removes oxygen and water from the body. select the best answer from the choices provided t f

When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is