Abdul Hameed prepares a slide of onion peel but it has bubbles and is damaged as well, what might be the reason and why?
a. Rough handling of a peel
b. Use of water
c. Improper placement of coverslip
d. Both a & c

Some mining processes involve removal of large areas of earths surface in the mined region this practice causes severe environmental damage by allowing which natural process to accelerate in the affected areas? a.precipitation b.erosion c.migration d.condensation

Pl which diagram illustrates prophase?

What are the 3 types of artificial cloning