Answer:
1. A massive star depletes its nuclear fuel; gravity overpowers the star; supernova occurs; core of star collapses
2. black hole; gravitational pull
3. The center of the Milky Way
Explanation:
Its when one species marries another species
Then the model will become useless. originally the bottle should be air tight only tubes connected to the balloons, so that pressure can be shown when you adjust the plastic sheet in the bottom of the model. but now if there's a hole, air can move freely in or out the bottle and the model will not be able to show anything that occurs during respiration
Answer:
Explanation:
The only way a recessive trait will show is if the offspring receives 2 recessive (lower case) alleles.
If there are any upper case letters present only the dominant trait will show.
The correct answer would be the box(es) that contain 2 lower case letters.
B. going to be refined by further investigation
thats the answer because you need proof that the theroy is wrong