What is the difference between a control and experimental group?

A group of students is counting the number of plastic bags placed in a landfill during a single day. what are the students doing? A. starting a promblem b. drawing a conclusion c. making a hypothesis d. collecting data by the way this is ecology!

What does xylem do in a plant

Chains of enzymes reactions in a cell that regulate enzyme activity and energy flow are

Why did the removal of wolves affect the entire yellowstone ecosystem?

Which of the following statements is true? viruses are much bigger then bacteria viruses are cells with RNA or DNA viruses are bundles of genetic material enclosed in a capsid both viruses and bacteria are living organisms

Matching fossils exposed in one region to similar fossils in another region is known as

Name three sexual reproduction

Who proposed the polynucleotide model stating that dna and rna were composed

Why are macromolecules also known as "polymers?"

After bending, can cool water be applied with rags or sponges to cool down pvc conduit and allow it to set?