What enables bacteria to produce human growth hormone? a) dna replication is semi-conservative b) the polymerase chain reaction can be used c) they need the hormone for growth d) the genetic code is universal

Which ideas did your answer contain? check all that apply. no food for organisms no oxygen in the atmosphere no trees or flowering plants no products based on trees or plants (building materials, medicines, fuels, fibers) no fossil fuels

When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity

What is any method of measuring the age of an object or event in years, such as using atomic half-life?