Explanation:
In a food chain, only 10% of energy is transferred from one trophic level to another trophic level. If the energy produced at the producer level is 1000 J, then the energy available at the primary consumer level will be 100 J and energy available at the secondary consumer level will be 10 J.
Answer:
D. Planting exotic shade plants in their yard and hiring a lawn company to tend to them.
Explanation:
Both grass and vegetables produce CO2. Vegetables produce as much CO2 as a car that's been driving 4.5 miles. Beef produces enough CO2 for 63 miles. This eliminates all of the answers except for D. Plants use CO2 in photosynthesis and give off O2. So not only will is reduce the CO2 output, it will provide you oxygen.
Answer:
the oxygen concentration decreases only when the air reaches the alveoli, which are the terminal branches of the respiratory system
Explanation:
The human respiratory system is responsible for taking in oxygen-rich air, and they expelling oxygen-poor air. The respiratory system consists of lungs, which helps in the exchange of gases: Oxygen and carbon dioxide.
The statement ''the oxygen concentration decreases only when the air reaches the alveoli, which are the terminal branches of the respiratory system'' explains the change in oxygen concentration of the inspired air
Answer:
D
Explanation:
most of the world’s dirty water is cleaned by humans using various methods
