6. Ming and Wong are playing a game of table tennis in the recreation car of a train: Each boy hits the
with a speed of 20 m/s.
a) If the train is traveling at 30 m/s, describe the speed of the ball as seen by an
observer standing on the ground behind the railroad crossing guardrail.
b) How would Ming and Wong describe the ball's speed?

this allows people to make the best decision or pursue the best option. when alternatives are weighed using their advantages and disadvantages, the option whose disadvantages outweigh the advantages (based on a qualitative or quantitative analysis) are shunned while those whose advantages outweigh their disadvantages are pursued.  

i think they are all correct

explanation:

they seem good

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).

the following is queen elizabeth’s purposes:

- to encourage the parliament that the technique of picking successors to the seat based merely on birthright needs to be reviewed.

- (not) to convince the parliament that her kid should not be measured as a likely choice for heir to the english power.

- to persuade the parliament that merely since she has a child does not assure that the kid will be a capable leader.

- to sway the parliament how shattering it could be if they proceeded discourteously concerning her or her child.