Answer:
Red blood cells are rounder than white blood cells.
Explanation:
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Answer:
C: Lowering activation energy
Explanation:
A catalyst speeds up a chemical reaction, without being consumed by the reaction. It increases the reaction rate by lowering the activation energy for a reaction.
Answer:
How does fragmentation of ecosystems cause problems for the species living in it?
Ecosystem entails the relationship between organism and the environment, fragmentation of such ecosystem breaks the relationship, hence; causing unbalance ecosystem
Explanation:
Answer:
hypertonic
Explanation:
If a cell is placed in a hypertonic solution, there will be a net flow of water out of the cell, and the cell will lose volume. A solution will be hypertonic to a cell if its solute concentration is higher than that inside the cell, and the solutes cannot cross the membrane.
Answer:
The earth has different layers because as it formed, the lighter parts (like continental crust) floated to the surface, and the really heavy parts (like iron and nickel in the core) sank to the middle. It is just like when you mix oil and water: the oil will float to the surface because it is lighter (or less dense) than the water.
