In determining soil texture, why is it that the soil samples could all not be moulded into the same number of shapes. ​

Which process is represented a.) deletion b.) nondisjunction c.) translocation d.) insertion

Aragonite shells of clams, snails, or scleractinian corals may be preserved unaltered in cenozoic deposits, but they are generally dissolved or recrystallized in older deposits. true or false

Why is it bad that some cancer cells can make their own growth hormones?