Answer:
They suggested that the two continents where they were found could have been joined.
Explanation:
Hope this helps!（づ￣3￣）づ╭❤～
Answer:
HOPE this helps!
Explanation:
Kids under 18 should not continue to be allowed to play contact sports. This is due to if you play contact sports kids will die by at the age of 42 through violant means. It causes permanent brain damage. There is a high chance that if kids play contact sports it will cause damage to their brain. 15 years ago, Dr. Omalu faced harsh criticism when he warned the public that kids should not be allowed to play due to the brain damage which means they have a very high chance they will die.
This type of defense falls under the category of Müllerian mimicry. It is a type of mimicry where two or more species mutually presents themselves as harmful. Müllerian mimicry describes a situation where species have similar warning signals and they share genuine anti-predation.
<h2>The Cardiac cycle</h2>
Explanation:
Correct order is: 3,5,6,4,2,1,8,7
The cycle of events that happen in a single heart beat is called Cardiac cycle. Basically, it refers to repeated pattern of contraction and relaxation of the heart.The contraction of heart is called systole and the relaxation of heart is called diastole. The cardiac cycle includes systole and diastole of atria as well as systole and diastole of the ventricles. When heart rate is about 75 beats per minute, a cardiac cycle takes 0.8 seconds.
The order of events is cardiac cycle is :
- beginning of atrial systole
- completion of ventricular filling.
- beginning of ventricular systole.
- closure of AV valve.
- isovolumic contraction.
- opening of semilunar valve.
- ventricular ejection.
- ventricular relaxation.
