Answer:
Answer: E
Helen, a high school teacher, wants her students to actively participate more in class. She has decided to use reinforcement theory to get the required results. Which of the following methods is she most likely to use?
.a) She is going to call on students who never participate
.b) She is going to yell at students, telling them that they are not making good grades
.c) She is going to ask the students that always participate to allow the others to have a chance
.d) She is going to model what active participation should look like ,at the beginning of class
.e) She is going to give students extra credit each time that they contribute.
Answer:
The Doppler radar currently used by the National Weather Service also measures the frequency change in returning waves, which provides the direction and speed at which the precipitation is moving. This key information allows forecasters to see rotation occurring inside thunderstorms before tornadoes form
Answer:
“parasite” is a specific term, meaning an organism that lives on and harms another creature, while “pest” is a general term, meaning an unwanted or annoying organism.
Answer:
There are three sources of genetic variation: mutation, gene flow, and sexual reproduction. A mutation is simply a change in the DNA. Mutations themselves are not very common and are usually harmful to a population. Because of this, mutations are usually selected against through evolutionary processes.
Explanation: