The awnser is b or c i think so
In beta-minus decay, a negative electron is emitted which produces a daughter nucleus of one higher atomic number but mass number remains the same<span>.
</span><span>For example:
The decay of the uranium product produces thorium-234 into protactinium -234.
</span>I hope it helped.
I think it’s d :) hope this helps
Geographical Isolation is the mechanism that might have led to the appearance of the Hawaiian honeycreeper.
Geographical Isolation is the term used that refers to a population of animals, plants, or other organisms that are separated and unable to exchange genetic materials with other organism of the same species.
Geographical Isolation may be a result of coincidence or accident.
Here are some factors of Geographical Isolation:
1) Isolation by barriers
2) Isolation by distance
3) Isolation after an Event
4) Isolation by separation