Answer:
no picture or anything so cant anwser
Explanation:
Answer:
The frequency of watering
Explanation:
The manipulated variable in this case is the frequency of adding water to the experimental plants.
While the first plant can be said to have a watering frequency of a day, the second had a watering frequency of 2 days while the third plant had a watering frequency of 3 days.
The experiment must have been set up to determine the effects of frequency of watering on the growth of tomato plants.
Yessss how many you have very interesting
We use the formula, to calculate the average speed of the round trip,

Here,
, is total distance covered by plane in total time,
.
For the round trip,

.
Thus,
.