Answer:
droughts in California have become more common in California
Explanation:
Climate is weather over time which means that the first and the third one are just isolated incidents and the last answer choice shows climate but it doesn't show a change in climate
Answer:
chemists created medicine to help fight leukemia.
Explanation:
Answer:
C
In an exothermic reeaction, the energy of products is less than the energy of reactants.
Explanation:
A magnesium atom is a neutral atom where the number of protons and electrons are the same. A magnesium ion has a positve 2 charge since it will lose two of its electrons when it undergoes ionic bonding. Since it's the same element it will still have the same amount of 12 protons. For isotopes of magnesium, they will have differing amounts of neutrons and thus a difference in the mass number since neutrons have a mass of about 1
The numbers are both prime numbers.They both have 2 factors.
1x3=3. 1x5=5
3x1=3. 5x1=5
