Ulna is the forearm bone involved in formation of elbow joint
C Population. A group of Organisms that are of the same species in an ecosystem is a population
Primary reinforcers have distinctive reinforcing qualities; not learned. In addition, secondary reinforcers has no inherent value and only has reinforcing qualities when linked with a primary reinforcers. The positive reinforcement is a desirable stimulus is added to increase behavior while negative reinforcement is an undesirable stimulus is removed to increase behavior.
Answer:
bbuenoAdemás de ser una barrera física, la cutícula es una estructura que cumple funciones importantes en la fisiología de la planta, como: mantener limpia y seca la superficie de la planta o del fruto, y así evitar la acumulación de agua, partículas de polvo y esporas; influye en las interacciones planta-plaga, mendiante
Explanation:
I believe filtration is the first step in treating lake water.
Hope this helps!!
