True
Explanation:
Harry Hess in 1961 resurrected Wegener's continental drift hypothesis and also he mantle convection idea of Arthur Holmes by postulating the theory of sea floor spreading.
- After Wegener's postulation of the continental drift hypothesis, not much was done.
- It was only around 1931 that Arthur Holmes came up with the idea of a convecting mantle.
- After the second world war passed, new instruments were used to investigate and map the ocean floor.
- Through this, Arthur Holmes came up with the idea of a spreading sea floor.
- This gave a full gleam picture to the idea of a moving earth and the more accepted terminology of "Plate tectonics " came to the fore.
Learn more:
Sea floor spreading brainly.com/question/9912731
Continental drift brainly.com/question/5002949
#learnwithBrainly
boilng points would boil overAnswer:
Explanation:
A) Z + 4
In the actual atom, half of the nucleus would be protons and the other half neutrons, hence the 2z. The additional four in the expression must be neutrons because adding protons would change the element all together.
Answer:
this is the answer
I hope it helps you although
If u were holding the flashlight above the object the shadow would be a circle on the ground if u were holding the flashlight in front of the object it would make a long slim shadow f the object
Ex: if I was standing near a wall and u held a flashlight in my face, not only I will be blinded by the bright light but it make a shadow of my head on the wall. different angles make different shadows