2. A block of wood of volume 80 cm and density 0.5g/cm3 floats in
water. What is the volume immersed in the water if d = 1 g/cm ?
3... .Pomilind ofdoneitsi
water

Are aliens real? justify you’re answer.

Ineed extreme for task 2. my student number is 571721. many to whoever solves this correctly, im in debt to you.

Examine the equation. 23490th→23088ra+42he what kind of barrier would you need to block the radioactive particles from this reaction? a.a piece of paper b.a sheet of aluminum foil c. a two-inch block of lead d. a solid concrete block