Mean number of bubbles produced over a 10 minute period Distance from the
light source
Elodea
Cabomba
Horwort
0
100
120
10 cm
0
25
90
20 cm
0
11
60
30 cm
1
6
30
40 cm
0
4
0
50 cm
a. What can be done to improve the table? (1 mark]

b

Explanation:the  vary

the farther away the object is from the central star (the sun) it's gravitainal pull on the object is weaker when it is farther

explanation:

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.