Answer:
Radiometric dating methods
Explanation:
Geologists usually use radiometric dating methods, based on the natural radioactive decay of certain elements such as potassium and carbon to find the age of fossils.
Mice that are injected with the living R strain survive.
Is the flu vaccine a answer? If so I’m pretty sure that’s the answer.
Answer:
Separating a cell into 2 different parts allows for the creation of specific environments in a cell.
Explanation:
Separating a cell into 2 different parts allows for the creation of specific environments in a cell.One example would be Nuclear Envelope.The nuclear envelope is a double membrane Where the two membranes are separated by space.Another example would be the Endoplasmic Recticulum. The endoplasmic recticulum has two different parts which are the smooth er and the rough er. The smooth er is smooth at the top because it lacks ribosomes.The rought er is rough because it has studded ribosomes on the outer surface of the membrane.
Answer:
im not too sure, but i think it is either C or D.
Explanation: