Answer: 2,400 kilometers.
Explanation: If an airplane flies at a constant speed of 600 km/h, then it travels 600km in one hour. Therefore, in four hours (600km*4), it will travel 2,400.
Answer:
cell wall
Explanation:
if it was a animal cell it would be a cell membrane
Mother genotype is IAi (heterozygous)
Explanation:
Man is Rh negative and O type blood group its genotype is OrOr
Mother is A positive so her genotype would be either IAIA or IAi
Also A blood group is dominant over O blood group.
It is given:
two children are A POSITIVE
One child is A negative
so the mother must have been heterozygous with genotype IAi as one of the child would have recieved it from mother as it is a dominant trait.
Punnete square shows
AI Ai
i AIi Aii
i AIi Aii 50 percent chances of A negative child is there.
The answer is C. It is naturally occurring
<span>A grasshopper population could increase rapidly if there was suddenly an abundance of food.</span>
