Because of movements at the Mid-Atlantic Ridge, the Atlantic Ocean widens by about 2. 5 centimeters each year. Explain which type of plate boundary causes this motion.

thats a little if u want the answer just look it up on google thats what i do haha : )

answer:

technetium is the most reactive. this is followed by silver. the least reactive out of these three elements is strontium.

1. a)c-14 has two more protons

2. d)they have different numbers of protons, neutrons, and valence electrons; they are all gases at room temperature.

3. c) iron and nickel.