Which of the following statements is true?

Electrons have a negative charge.

The n=1 shell can hold eight electrons.

The number of electrons in an atom is equal to the number of neutrons.

The second electron shell can hold 16 electrons.

What is a hypothesis? A. A conclusion that you make about an experiment O B. The way an experiment is performed C. The technology used in an experiment O D. An educated guess of the answer to a question

Which statement best describes how the evolution of pesticide resistance occurs in a population of insects? A. Individual members of the population slowly adapt to the presence of the chemical by striving to meet the new challenge. B.

Describe an external adaptation peppered moths have?

What is the best way to classify two different organisms that have similar appearance and are found in the same environment?

You are a virologist interested in studying the evolution of viral genomes. You are studying two newly isolated viral strains and have sequenced their genomes. You find that the genome of strain 1 contains 25% A, 55% G, 20% C, and 10% T.

Metamorphic rock with A handed appearance due to the alignment of minerals are

What results when the combined effect of two different drugs taken together exceeds the sum of the individual drugs administered alone?

Animal lays eggs with a tough leathery watertight shell

Why is DNA antiparallel? It has double strands complementing each other. The bases in one strand pair with the other bases in the complementary strand. It has a ladder shape. Its double strands run in opposite directions.

Which of these is a solution, where the solute and solvent are in the gas phase? A) air B) ozone C) brass D) carbon dioxide