Answe<u>r:</u>
<u>light caused the elodea plants to photosynthesize, releasing O2 gas</u>
Explanation:
Oxygen is a by-product of photosynthesis. In presence of light, water molecules are split into hydrogen atoms and oxygen gas. The elodea plant is photosynthetic in nature. Later, the hydrogen atoms combine with carbon dioxide to form simple sugars like glucose in the dark stage.
The actual answer is, "A", an ocean trench.
You can find out more about them by researching them up on Google, it's only a few phrases and a hit on the enter key :P
Answer:
The first one Yes
The second one
This Would be possible because in real life you could possibly get back some dna off a dino bone and the hire a really good scientist this would be hard to do and would be a long proccess but this is why I think this
Answer:
During mitosis, the two sister chromatids that make up each chromosome separate from each other and move to opposite poles of the cell.
Explanation:
This is shown in the figure below. Mitosis actually occurs in four phases. The phases are called prophase, metaphase, anaphase, and telophase.