They killed them!!!!!!! :)
<span>The main advantage of natural and observational studies is that you see the experiments in their "natural" state - you are able to test hypotheses in the field and with large study areas There is no involvement of the person conducting the experiment which leads to the results unaltered. Any experiment that has outside influence of any kind can have skewed results because the person interfering whether directly or indirectly could cause the results to be biased in favor of the person or thing that interfering in a manipulative setting.</span>
The direction where gases diffuse at the arterial end of the pulmonary capillaries are that oxygen diffuses from the alveoli into the blood, while carbon-dioxide diffuses from the blood into the alveoli.
Capillaries are the delicate blood vessels that exist throughout your body. They transport blood, nutrients and oxygen to cells in your organs and body systems. Capillaries are the tiniest blood vessels in your system. The largest capillaries within our body are found in the liver.
Gas exchange takes place within the several alveoli within the lungs and also the capillaries that enfold them. Inhaled oxygen moves from the alveoli to the blood within the capillaries, and carbon-dioxide oves from the blood within the capillaries to the air within the alveoli.
To learn more about Capillaries here
brainly.com/question/13251988
#SPJ4
1. a. secular textbooks
2. d. flag salute cases
hope it helps
Keynes argued that the private sector was unable to keep the economy at full employment. as a result, the government should take an active role in managing the economy.
<h3>What is a
Keynesian economic theory?</h3>
According to Keynesian economics, the government should raise demand to spur economic growth. Consumer demand, according to Keynesians, is the main engine of an economy. Therefore, the hypothesis is in favor of an expansionary monetary policy. Government spending on infrastructure, unemployment benefits, and education are its key tools. Overusing Keynesian programs has the disadvantage of raising inflation. An economic school of thinking known as Keynesian Economic Theory holds that for economies to recover from recessions, government involvement is required.
To learn more about Keynesian economic theory visit:
brainly.com/question/12556754
#SPJ4
