Answer:
different sizes of the parachute
Explanation:
this is what is being changed throughout the experiment
Answer:
2.00X10^5 x 20gNe/6.02x10^23=6.46x10^-18 but books answer is 797.
Explanation:
The order of placement of the elemnts on the modern Periodic Table is determinated by:
1)atomic number (Z=number of protons).
Answer:
C.
Fusion reactions require a lot of heat and pressure
Explanation:
nuclear fusion takes place only at extremely high temperatures. That's because a great deal of energy is needed to overcome the force of repulsion between the positively charged nuclei. ... A: Nuclear fusion doesn't occur naturally on Earth because it requires temperatures far higher than Earth temperatures.
Tearing paper, Physical Change
