Organism with heterozygous alleles received how many alleles from each parent?

When curium-242 is bombarded with an alpha particle, two products are formed, one of which is a nudge on. what is the other product

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?