Answer:
Condensation happens when molecules in a gas cool down as the molecules lose heat, they lose energy and slow down. They move closer to other gas molecules and finally the molecules collect together to form a liquid.
Explanation:
Answer:the vascular tissue in plants that conducts sugars and other metabolic products downward from the leaves.
Explanation:
What Consumers have in common is that, they are all living things that live off of hunting and eating to gain energy and survive (without eating/hunting they die).
examples : Cows , Pigs , Horses
B. Body, please let me know if that's right.
Answer:
B) Na+
Explanation: Na+ molecule is polar, oxygen and carbon dioxide are nonpolar molecules. The cell membrane is a <em>phospholipid bilayer</em> made up of lipid molecules with polar and nonpolar ends. Since it is a bilayer, two phospholipid layers are arranged, one on the other in such a way that one faces the back of the other. The non polar ends are away from outside and inside of the cell, while the polar ends faces towards all the molecules inside and outside the cell.
Since polar-polar molecules repel each other, Na+ can't pass through the cell membrane easily. So it uses the proteins attached the cell membrane inside and outside to transport such molecules by using energy in terms of ATP.
