Answer:
C
In an exothermic reeaction, the energy of products is less than the energy of reactants.
Explanation:
A: 8.1 • 10^7 nanometers
Because 1cm = 1 • 10^7 nm
So 8.1cm • (1 • 10^7 nm) = 8.1.10^7
The hydrologic cycle is a continuous cycle where water evaporates and travels into the air and becomes part of a cloud and falls down as precipitation and then evaporates again. Then the cycle repeats in a never ending cycle.
Answer:



as beaker is open so


As ψof solution is lower than the root tissue so water will move out of the root to the solution
Explanation:
It's chlorine, it's one of the few elements with 7 valence electrons