A GROUP OF SCIENCE STUDENTS ARE PERFORMING A LABORATORY EXPERIMENT. THE INSTRUCTIONS SAY TO REPEAT THE PROCEDURE THREE TO FIVE TIMES. WHAT IS THE MOST IMPORTANT REASON THE GROUP OF STUDENTS SHOULD REPEAT THE PROCEDURE? * A. THEY MIGHT MAKE ERRORS THE FIRST TIME THEY DO THE PROCEDURE
B. THEY CAN COME TO A BETTER CONCLUSION IF THEY HAVE MORE DATA.
C. THEY NEED TO PROVE THEY HAVE GOOD LABORATORY AND EXPERIMENTAL SKILLS.
D. THEY WILL BE BETTER ABLE TO EXPLAIN THEIR EXPERIMENT TO OTHER STUDENTS.

hello there,

guys i’m confused.

which rock will weather faster?

answer: b rock

the answer is lactic acid from anaerobic respiration. the acid in lactic acid is what creates sore and burning muscles. if you think about how acid burns that will give you a clue for questions like this.

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.