For your question briannaaguilar0729,
melting ice causes fresh water to be added to seawater in the Arctic Ocean that empties into the North Atlantic. The added fresh water makes seawater less dense.
The correct option I think would be “The ocean will become denser”
Answer:
I believe it's C? not fully sure, sorry if I get it erong6
Answer:
Troponin and calcium ions.
Explanation:
Troponin is a component of thin filament along with tropomyosin and actin. It is a protein complex to which calcium binds and start the production of muscular force.
Calcium also playing a very important role in muscle contractions, it binds with troponin and helping to move tropomyosin.
When calcium ion attached to troponin, then conformational changes occurs in troponin shape and moves which allow tropomyosin going away from its inhibitory position from the myosin-binding sites on actin. After this, the energized myosin head starts binding to the actin molecules and starts the cross bridge cycle, which helping in shortening the muscle's fiber.
Yes that is the correct answer choice
C, ''living things change over time''.