When an igneous rock forms on top of the Earth's surface it cools quickly and there is almost no time for crystals to form. Obsidian shown below is an example. What type of igneous rock is this?

For each of the following, decide whether the statement describes photosynthesis, cellular respiration, or both. releases energy in the form of atp. stores energy in glucose molecules. performed by producers. performed by consumers.

What are the types of mutations, and how does each alter the encoded protein? college level answer

In some plants, pointed leaves (p) are dominant over rounded leaves (p). a plant with a genotype of pp