B. Magma with high silica content.
I’m pretty sure
A slide hammer puller. A slide hammer puller can be used to pulll a bearing from a bored hole that is pressed into. They are adjustable with either a collet or puller jaws. To remove the bearing, slide the weight back hard until it hits the flat area on the rear of the puller.
Biologists do not fully understand DNA because there are constant changes and new discoveries developing.
