D, is the answer. If you take antibiotics more than you're supposed to your immune system gets used to it and it no longer works.
Ionic bonds result when electrons are tranfered between atoms. Covalent bonds result when valence electrons are shared between atoms. You should be able to identify whether an ionic or covalent bond is being formed between atoms.
Answer:
MARK THE IMPORTANT THINGS.
FOCUS ON IT.
TAKE VERY SMALL BREAKS
UNDERSTAND IT.
REWARD YOUR SELF
Explanation: the movement of organelles and other substances within cells. Endoplasmic reticulum
Answer/Explanation:
Using solar energy, photosynthesis uses carbon dioxide and water to produce glucose and oxygen, whereas respiration uses glucose and oxygen to produce energy, releasing carbon dioxide and water.
Therefore, photosynthesis and respiration act as a cycle, using reverse reactants and products.
Photosynthesis builds food for the cell to use, respiration uses this food to power cellular processes.