Answer:
The ozone hole is not causing global warming, but it is affecting atmospheric circulation.
Explanation:
Answer:
The correct answer is - variables that they didn't control and not enough replicates
Explanation:
In this particular case, Pablo and Johanna using too many variables in their experiment or research, All the variables used, are not controlled and with time these variables can not be replicated again on experiment groups.
They did not select a particular age or weight of dogs, the diets are different and they feed dry kibble to only one dog. There are so many variables and for a better result experiment, all variables should be controlled only the independent variable is permitted to manipulate.
Answer:
Organ System
Explanation:
A group of organs working together so that they can perform a function more complex than any of the single organs is called an organ system.
<span>A nerve impulse is an electrical signal that travels along an axon. There is an electrical difference between the inside of the axon and its surroundings, like a tiny battery. When the nerve is activated, there is a sudden change in the voltage across the wall of the axon, caused by the movement of ions in and out of the neuron. This triggers a wave of electrical activity that passes from the cell body along the length of the axon to the synapse. Does this help you?</span>
Answer:
C
Explanation:
Lichen makes the tree lighter, so white moths would survive better here.