Oxygen
Oxygen
Carbon dioxide
Monoxide
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A confounding variable is an “extra” variable that you didn’t account for. They can ruin an experiment and give you useless results. They can suggest there is correlation when in fact there isn’t. They can even introduce bias. That’s why it’s important to know what one is, and how to avoid getting them into your experiment in the first place.
The fossil is likely to be a mold fossil as the organism's environment likely consisted of soft, moist terrain.
The ability of a nerve and muscle cell to receive and respond to a stimulus by changing its membrane potential is called Excitability.
<h3>Nerve cell</h3>
- A nerve cell is an electrically excitable cell that communicates with other cells through specialized connections called synapses.
A group of connected neurons is called a neural circuit.
<h3>Muscle cell</h3>
- A muscle cell refers to either a cardiac muscle cell, or a smooth muscle cell as these are both small cells.
Learn more about nerve cell:
brainly.com/question/1558395
