Answer: Possession of Valves
Explanation: Veins possess valves which ensures that blood flows in only one direction. Valves helps blood to flow back to the heart against gravitational force.
Arteries don't have valves because the pressure originating from the heart is capable of causing the blood to flow in one direction.
1. Photosynthesis produces two products, glucose and oxygen.
2. Respiration will take the products of photosynthesis and convert them into carbon dioxide and water.
Answer:
transportation
Explanation:
Transportation (28.2 percent of 2018 greenhouse gas emissions) – The transportation sector generates the largest share of greenhouse gas emissions.
hope this help
It does not produce hormones
He can make use of an Air Quality Monitor through AirBeam. I no options to chose from so i take it that it isnt a multiple choice question. If im incorrect im sorry
