Exposure to heavy metal can cause progressive dementia true or false

Exposure to heavy metals, such as arsenic, mercury, aluminum, lithium, or lead, can lead to cognitive decline, particularly after acute exposure. So the answer is true.

I would say it is false.

when you work with heavy stuff you can get a hernia

the plates spread at mid-ocean ridges (they are divergent plate boundaries) which allows magma to rise through the weakness between the plates. the magma then emerges as lava from the boundary and cools, creating a new crust.