Are all elements abbreviated with one or two letters? if not name same that aren't

Scientists interested in early life on Earth including the first cells and the last universal common ancestor of all three domains of life are likely to get the most information from: a.

what is Calcite's Solubility, I barely know what solubility mean let alone what it has to do with Calcite.

What is the solvent in blood?

DDT, an insecticide banned in the United States for most uses, has the formula C14H9Cl5. Find its percent composition.

sodium hydroxide, NaOH, is dissolved in water to make up a solution that is 1.58 * 10 - 5 M in NaOH. What is the pH

If 100 grams citric acid react with 100 g baking soda how many grams of carbon dioxide?

What state of matter undergoes changes in volume most easily? a. solidb. liquidc. gasd. frozen

What was the result of the atomic theory?

Explain mitosis and meiosis in your own words.

What device changes mechanical energy into electrical energy? Question 4 options: transformer generator copper wire light switch