Answer:
The decline rate ranges from 2.7 to 3.79
Answer:
Explanation:Humanity must stop the pace of wildlife extinctions — or face extinction itself, according to a growing body of research.. At a time when more than 1 million species are at risk of extinction — and the links between human health and the health of the planet are clear — the stakes have never been higher, experts say.
The part of an atom that is mostly empty space is the electron cloud
Answer:
Water, organic biological molecules, sodium chloride, glucose.
Explanation:
A compound is anything composed of two or more separate elements.
- O2 and H2 are a singular elements, and a chain of carbon atoms is multiple of the same element, so these are not considered compounds.
- Sodium chloride is sodium and chlorine, and water is oxygen and hydrogen. Glucose is a compound of sugar, and organic biological (or biomolecules) are made up of carbon and hydrogen, so these are all considered compounds
I hope this helps! Happy learning, friend :)
Answer: from the pulmonary veins into the left atrium.
Explanation:
After oxygenation of blood in the lungs, the right and left pulmonary veins carry oxygenated blood and empties it into the left atrium. The left atrium then empties the blood into the left ventricle through the left atrioventricular valve.
With contraction, the ventricle pumps the blood to the systemic circulation through the aorta. The blood flow into the aorta is guarded by the aortic valve.
