Three distinct layers are present in the gastrula stage the endoderm the mesoderm the ectoderm these layers develop into specific cells within the body through the process of
a)meiosis
b)cell implantation
c)fertilization
d)cell differentiation
need answer !

electronic measurement tools display data on a screen after waiting for several minutes.

while some business owners prefer manual record keeping systems, most businesses use an electronic record keeping system - making it easier to capture information, generate reports and meet tax and legal reporting requirements.

explanation: