B goes to the second one A goes to the first one D goes to the third one and C goes to the fourth one I believe. I hope that helps
The sodium – potassium pump is involved in establishing the resting membrane potential true or false
ANSWER: TRUE
The tricuspid valve shuts. This prevents blood from flowing backward into the right atrium while the ventricle contracts. So, your answer will be the Tricuslid Valve. Hope I helped!
Answer: The carbon cycle is the cycle by which carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of the Earth. Steps of photosynthesis is absorption of light, electron. transport leading to the reduction, generation of ATP (adenosine triphosphate), and conversion of CO2 into carbohydrates.
Explanation:
