What radioactive element is useful in dating plants and animals that lived to 50,000 years ago?

Pioneer plant species could be described as those that

Which atoms have the lowest electronegativity?

Lysozyme and the antibiotic penicillin have similar mechanisms of action in that they both causedamage to the bacterialA) cell membrane. B) capsule. C) cell wall. D) DNA. E) ribosomes

Objects in a___stay in a fixed position and have no freedom to move

Which of the following are not a part of the Earth's lithosphere? Crust Lithospheric mantle Aesthenosphere None of these

What would happen if hydrogen bonds form between any two nitrogenous bases in dna

What happens during anaphase

What would happen if both male and female passed on their whole genes?

Calculate the distance penny rides her bicycle. if she rides 1/4 mile each day for 11 days.

An area of land that is covered with a shallow layer of water during some or all of the year is called