Adnan measures the temperature of water as it changes states. He makes a graph of his data. He wants to add the properties of water that exist at each part of his graph

What is the answer for the complicated molecules that make up living things usually contain carbon. why is carbon so important in these molecules?

Which of the following statements is true regarding a basic amino acid? a.) the hydrophilic r group of a basic amino acid will be located on the interior of a protein b.) the positively charged r group of a basic amino acid could bind dna c.) the r group of a basic amino acid would only be able to form covalent bonds with other molecules d.) a basic amino acid would be considered both polar and hydrophobic e.) all of the above

Planning along the natural slope of the land to reduce soil erosion is called