Well to find this out you need to make an equation
s+7=j
So for example if Johnny's sister is 15 then Johnny would be 22 because
s(sister's age) +7(number of years difference between their ages)=22(Johnny's age)
Answer: Sea-floor spreading — In the early 1960s, Princeton geologist Harry Hess proposed the hypothesis of sea-floor spreading, in which basaltic magma from the mantle rises to create new ocean floor at mid-ocean ridges. ... A test of the hypothesis of sea-floor spreading was provided by studies of the Earth's magnetism.
The correct answer is letter B. "oppressed." Among Hindus, members of the lowest caste are commonly referred to by the term dalit, which means oppressed. It comes from the root "dal" which means broken or oppressed. Dalit is the name that the Dalits are using themselves, and another word for the group is "Untoucheable"
In my opinoin it is a stron vortex and vortexes pull in the things that are in their way so it gets destroyed. So i hope this helps.
Explanation:
they are both aging.austrila and newzealand medium age is 37.5 year
