I could be wrong I’m not very smart but I think it’s b
Answer:
This will reduce the average temperature of the planet and lessen the catastrophic effects of climate change.
Explanation:
Renewable resources do not emit greenhouse gases making them the cleanest, the most sustainable solution to prevent environmental degradation. If humans slowly transition to an energy system that is based on renewable technology, this will have a very positive economic consequences as well for economist foresee an increase in well-being and in employment and less cost while allowing development today without risking the future generations.
point B this is a topographic map the lines indicate the elevation of the area and B is at the lowest elevation which would be where the water would gather
Answer: Option D.
The lub heart sound is due to the closing of atrioventricular valves.
Explanation:
Heart sounds are noises that are generated from beatings from heart and from blood that flows through it. The heart sound reflect the turbulence generated when the heart valves snap shut. Lub is the first heart sound also called S1 and it is caused by turbulence and closure of the atrioventricular valves(mitral and triscupid valves) at the start of systole. The second sound is the dub sound which caused by the closing of aortic and pulmonic valves at the end of systole.