One day you noticed that yogurt containers have the phrase "Contains Active Cultures" which of the following statement could be true regarding to these anaerobic organisms in yogurt? A. The bacteria and yogurt undergo fermentation

B. The bacteria and yogurt undergo photosynthesis

C. The bacteria in your yogurt are using cellular respiration

D. The bacteria in yogurt are using oxygen to get energy

the leaf is an organ of a typical plant, and the main functions are to complete photosynthesis and allow the plant to exchange gas, just like how we have the respiratory system. leaves have the stomata, which collects maintains co2 and o2 levels. this is necessary for cell metabolism. the leaf also collects sunlight using chloroplasts. succinctly, leaves own a pivotal role in sustaining plant life.

indium, and thallium have three electrons i think

the density(ratio between mass and volume as m/v) decreases from top to bottom in periodic table group as the size increases and nuclear charge decreases. but in periods density increases from left to right as atom size decreases and nuclear charge increases.