Answer:
The crabs with white shells. The next generation of crabs will be white shelled.
Explanation:
The crabs with white shells are more likely to survive because they blend in with the white sand more than the ones with brown shells making it easier to hide from predators and also makes it a desired trait.
Answer:
D
Explanation:
Atomic radius is the distance from the atom's nucleus to the outer edge of the electron cloud. In general, atomic radius decreases across a period and increases down a group. Across a period, effective nuclear charge increases as electron shielding remains constant.
PH meter, which is a device used to measure hydrogen-ion activity in the solution. A PH meter is a voltmeter stuck to a pH electrode and a reference electrode. -maclittleseed
