Nuclear fusion in the sun involves hydrogen (H) atoms
combining to form helium (He). A student claims that since the atmosphere
contains hydrogen, any fusion reaction on Earth would result in an uncontrolled
chain reaction. What is wrong in the student’s reasoning is that the uncontrolled
chain reactions can only happen during nuclear fission.
Answer:
The egg white will represent the outer layer which is the we are located on!
Explanation:
Answer:
Potassium selenide
Explanation:
Potassium selenide (K2Se)
The pebbles become smooth and even because of erosion. the waves from the sea rub against the pebbles this is erosion. x
Fossil C is the youngest. Layers further down were placed earlier than others. Because C is on the top layer, it must be the youngest (unless a disaster mixed up all the layers!).
