Which of the following is one of the most abundant elements in all living things?
A. Helium
B. Oxygen
C. Silver
D. Gold

Dr. bob hypothesizes that drug x causes cuts to heal more quickly. he performs a medical experiment on a group of 100 people and confirms his original hypothesis. in the control group, a 1 cm cut took seven days to heal. in the experimental group, a 1 cm cut took four days to heal. what should dr. bob do next? a) repeat the experiment for accuracy. b) begin selling drug x to the public. c) write a scientific theory about drug x. d) publish the results of the experiment in a scientific journal.

What are the formed elements (cell or parts of cell) in blood and what are their functions ?

What is the period of cell life when it is conducting