The answer here is D, and it's kind of obvious. But you probably already knew the answer and are just doing this for piece of mind.
Explanation: Just the fact that we don't know whether or not there even is extraterrestrial life rules out every other answer, without even needing to go in depth.
(Okay, I read your question completely wrong, it's asking for which one of these has been solved isn't it?)
This is tough because all of these other than D have been figured out. Go with the methane atmosphere then.
Answer:
i have this worksheet let me get it
Explanation:
Answer:
False
Explanation:
Lysosomes are membrane-bound vesicles that recycle waste products. They contain digestive enzymes that breakdown waste and recycle the components in the cell. For example, old cellular organelles, viruses or bacteria, large biomolecules.
They might sometimes contain DNA, but not always.
Answer:
Galencials are a type of natural medication prepared from herbs and vegetable matter with little to no synthetic components.
Explanation:
Abscission layer is the layer of cutinized parenchyma cells that develops in the abscission zone. The abscission zone form across the base of the plant part, where the break eventually occurs. During the photosyntesis chlorophyll using sunlight produces sugar and storches which are used as food by plant. And sugar accumulate in leaves.
