Answer:
Sample Question: What is the effect of molecule size on a molecule's ability to diffuse across a semipermeable membrane?
-format: “What is the effect of X on Y?”
-independent variable: molecule size
-dependent variable: the ability to diffuse across a semipermeable membrane
The answer is d , hope it helps
All the options are correct.
1. New ways to preserve and transport blood for blood transfusions were discovered.
2. Blood transfusion safety was improved.
3. Scientists discovered that elements of blood could be separated by centrifuge.
4. Scientists discovered that plasma could be preserved by freezing.
Karl Landsteiner
Karl Landsteiner was the man who discovered some of the human blood types in 1900 and 1901 at the University of Vienna.
This is an example of Moro reflex.
The Moro reflex is an automatic response to a stimulus that is usually present in all infants. It occurs as a response to unexpected loss of support, in which the infant have the perception of falling. The Moro reflex begins at birth, and usually disappears after 3 or 4 months. The Moro reflex involves three different parts which are; spreading out the arms, unspreading the arms, and crying.
