Because it proves the fertilization was impossible
Answer:
Option C, Plant A
Explanation:
Control group within an experiment is the substance/organism or subject which shall enact as a base for comparison of impact of experiment created on the dependent variables.
Here, the impact of fertilizer is to be studied on plant. Thus, plant set up is dependent variable and amount of fertilizer is an independent variable. Out of all plants one plants is getting 0 amount of fertilizer hence this plant can be used for comparison with other plants which receives the fertilizers.
Take for example - you touching something sharp and instantly moving your hand away.
Sensory neurons in your fingers detect the external stimuli of the sharp object and send a nerve impulse to the spinal cord (does not reach brain) and is sent back to a motor neurone - attached to an effector that moves the muscle and moves the hand away. This is a rapid reflex action and involuntary.
Movements of heat energy which contributes to temperature, humidity, precipitation, cloud cover, wind speed, and wind direction.
Albedo the sunlight reflected changes the amount of heat.
Air pressure changes the type of clouds that form.
Answer:
A and B are both correct.
Explanation:
Chromosomes from both parents are interchanged, which increases the number of possible combinations that the offspring can receive.
