Answer: B) the temperature of the water
Explanation: The independent variable is the one that is manipulated or changed
Brain is protected by skull,blood brain barrier for filtration,cerebrospinal fluids that cushion brain and three membranes called duraarchnoid and pia mater
Opposite of photosynthesis your welcome
Answer:
L. E, F, G, H, I, J, K, D, C, B.
Explanation:
L is the oldest layer because it is present below all of the layers followed by E layer then F, G, H, I, J, K, D, C and B. B is the youngest layer because it is present above of all layers and formed recently. the layers formed after B layer is C layer which is younger than the rest of the layers but older than B layer. D layer is also older than C and B layer but older than the remaining layers.
Centrioles are organelles that are found only in animal cells and they produce D) flagellum and centrosomes.
Centrosomes help organize the microtubules present in the animal cell during cell division and also regulate the cell cycle.
Furthermore, the flagellum produced by centrioles in sperm cells help the cell move towards the egg and cause fertilization.