How much heat is needed to raise 160 g of glass from 20°C to 78°C? Joules
(Answer should have 1 decimal point)

Positrons are spontaneously emitted from the nuclei of

Give me a example of a decomposer. explain what would happen if decomposers were absent from a forest ecosystem

which statements describe the image? check all that apply. the wood is releasing argon gas. this information is useful for dating ancient rock. the process works only with organic matter. the element has a half-life of 5,730 years. this shows the half-life of carbon-19.