D is an alkene because the ending is cis-2-pentene if it was an alkane is would be pentane.
Active Transport: Moves ions and molecules from lower to higher concentrations using energy.
Passive Transport: Move ions and molecules from high to lower concentrations without using energy.
The main difference is one uses ATP (energy) and the other does not.
Answer:
The answer would be C). All of the elements inside a period will always have the same amount of shells. Hope this helps!
Answer: Humans are moving more carbon into the atmosphere from other parts of the Earth system. More carbon is moving to the atmosphere when fossil fuels, like coal and oil, are burned. More carbon is moving to the atmosphere as humans get rid of forests by burning the trees.
Explanation:
A mineral occurs naturally, meaning that even though there are artificial substances that might be described as mineral-like they are not minerals
