Asteak is cooked on the grill. this is an example of a:

a. physical change.

b. chemical change.

What is the name of the enzyme that forms at the start of transcription?

Just on number 2 (all parts), and if you do answer explain in detail

Many radioactive atoms that have large masses undergo radioactive decay by releasing a particle that is identical to a helium-4 nucleus. what changes in the original atom are expected as a result of this natural phenomenon? the atomic number and the mass number will decrease. the atomic number and the mass number will increase. the atomic number will increase, and the mass number will decrease. the atomic number will decrease, and the mass number will increase.