Question

Michael wants to know how different temperatures affect the growth rate of a bean plant. To make sure he has accurate and valid results he uses the same species of plants, amount of water, soil and pots. He observes the growth over a period of five days.

What is the test/independent variable in this investigation?

Answer 1

B

Step-by-step explanation:

you always need all of them to be equal for it to ACTUALLY make sense.

hope this helped!!!

Answer 2

This is the biology Study Island Scientific Investigations with all of the ... Tap again to see term ... She is planning on exposing frogs of the same species to different amounts of the ... Tyler wants to know how the growth of tomato plants is affected by the ... He hypothesizes that the plants will grow best in sandy soils.

Step-by-step explanation: