Just ask a question you have a problem understanding lol
Answer:
its answer is B hope ur help and mark me as brainlist
Answer:
d
Explanation:
In particular, organelles called chloroplasts allow plants to capture the energy of the Sun in energy-rich molecules; cell walls allow plants to have rigid structures as varied as wood trunks and supple leaves; and vacuoles allow plant cells to change size.
The scientist credited with being the first person to observe bacteria and call them as small animalcules is B. Anton van Leeuwenhoek.
Answer: No, skeletal muscles work in PAIRS.
Explanation: An example would be bending your elbow. Doing that will cause your biceps to contract and your triceps to relax.