Answer:
Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium.
Explanation:
We can confirm that Ms. Bronner is using a token economy to encourage the rule-following in her classroom.
<h3>What is a token economy?</h3>
This is a method of positive conditioning in which a token of some sort is given as a prize to reinforce positive behavior, with the idea that these tokens may then be exchanged for even greater reinforcers once a certain level is reached.
Therefore, we can confirm that since the methods being described in the questions perfectly correspond to this definition, Ms. Bronner is using a token economy to encourage the rule-following in her classroom.
To learn more about the token economy method:
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Electromagnetic waves .
radio waves , microwaves, infrared , optical , ultra violet, xrays ,and gammarays
Answer:
so when its melted it's a liquid and then when it gets cold it freezes turning it to a solid and then when it evaporates it turns into a gas
Answer: It's c
Explanation:
When we need more oksigen our body reacts and make heart to beat more faster so there will be more blood circulating and will compensate the dyoksid carbon that is produce with oksigen
