Which shows the correct order of stages of technological design?
design a solution, identify a problem, evaluate the solution, implement the solution
design a solution, implement the solution, evaluate the solution, identify a problem
identify a problem, design a solution, implement the solution, evaluate the solution
identify a problem, evaluate the solution, design a solution, implement the solution

what have scientists found to be the most efficient and effective way to insert new sequences into an individual? a-scientists have created genetically altered foods that release dna during digestion. b-scientists use viruses to insert specific gene sequences. c-scientists irradiate genes so that they can be absorbed through the skin.

white blood cells or wbc s are mainly 2 types-

1.agranulocytes

2.granulocytes

the monocytes or macrophages of agranulocytes , dendritic cells which are accessory leucocytes, and b cells which is one type of lymphocytes   identify the antigens present on the pathogen's surface. these three cells are called antigen presenting cells(apc) which are phagocytes and destroy the antigens by secreting antitoxins. besides this leukocyte is always plays vital role in the immunity of the body.

i thinking chemical change

a lot of people sadly don't know the best way to learn is cheating off of your friends or this amazing thing called google