The immune system has both specific and nonspecific immune responses against pathogens. Which scenario describes a specific immune response ?

A the body using intact skin to keep out all pathogens

B antibodies being produced to fight off a pathogen inside the body

C macrophages engulfing an unknown virus that has entered the body

D Inflammation and redness occurring at the site of a bacterial infection

Compare the composition of the moon's surface with the composition of the earth's surface.

Prior to the mt. st. helens eruption on may 18, 1980, satellite and topographic views of the volcano were captured. based on the topographic map of mt. st. helens, what is the contour interval if the volcano height is 2,950 m? question 9 options: 600 m 400 m 750 m 500 m

Answer ! in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.