Systematic observation, measurements and experiment and the formulation .testing.and modification of hypothesis
Answer:
(I'm sorry, I got stuck between a and b. This was the best answer I could come up with)
Explanation:
Capillaries are meant to be small so blood cells could move through them in a single file line. If they were an bigger the blood stream would clog up and most of the blood cells won't be able to give nutrients or exchange gas
Answer:
A. Accurate but not precise
Step-by-step explanation:
The illustration given shows that the was far from each other which means it is not precise because precision is that the given data must be close to each other. However, it is accurate because the darts are closer to the bullseye which can still be considered as accurate. Therefore, I believe this is accurate but not precise.
Answer:
C
Explanation:
it is chemical, not physical
