The correct answer is this one: "A.When actin filaments are pulled toward the center of the sarcomere, the fiber shortens." The statement that accurately describes the way in which a muscle moves is when actin filaments are pulled toward the center of the sarcomere, the <span>fiber shortens</span>
The hypothesis can be defined as an educated guess, which is made by the scientists doing a scientific research.
In this case, the scientist want to test the presence of the limonite in the yellow rocks, So, proposed hypothesis should include the color of rock they want to observe and the posssible outcome, which need to be tested.
So, a proposed hypothesis can be:
<h3>The rocks, which have yellow color are made up of mineral limonite. </h3>
1. D 2. A 3. C 4. B tell me if I’m right
Im pretty sure that if we got all of our energy from the sun then there would be no energy at night so no
