Answer:
1 = A
2 = B
3 = B
Explanation:
1) Black holes occur when really big stars collapse on themselves. And, in order to get big, the star has to be an old one.
2) A black hole is something huge that swallows up everything, while a protostar is just the very beginning of a star.
3) Scientist can't truly know for sure, but they can infer about them due to the effects of the surrounding areas.
For a monohybrid cross, you are crossing two alleles with two alleles. in a dihybrid cross, you are crossing four alleles with four alleles.
Answer:
starch
Explanation:
In the presence of sunlight ,water,and oxygen the photosynthesis occurs .
As the by product of photosynthesis the starch or glucose(C6H12O6) is produce.
Answer:
Plants use CO2 to photosynthesise
