The answer is B An observation about the number or amount of something
Answer:
Arteries have thick walls composed of three distinct layers (tunica) Veins have thin walls but typically have wider lumen (lumen size may vary depending on specific artery or vein) Capillaries are very small and will not be easily detected under the same magnification as arteries and veins.
Explanation:
The correct option is D. Organisms work best at their optimum temperature and pH, above and below these temperature they will not be able to function as expected. It is possible that the students above use different temperature and pH when they were carrying out their experiments, this will result in different efficiency rate by the yeasts.
D. Combination of exercises which the client can enjoy and
likes.
For most people, exercise is a taxing. It’s a lot of hard
work and sometimes the kind of exercise to be done makes it even harder to do.
That’s why it is very important for a workout to be a combination of exercises
that a person likes or enjoys. This may involve plenty of trial and error.
However, most people already have a hobby or a certain activity that they like to
do. To make an exercise or workout effective, it would be best to tap into
their interests.
Answer: Option B) Nucleus
A threadlike genetic material called chromatin is located within the nucleus
Explanation:
Chromosomes are thread-like genetic materials that exist in pairs. However, they are called chromatid when single. Hence, two chromatids makes a chromosome. And chromosomes are located within the nucleus