I believe it is scientific laws.
Answer:
The answer should be C.
An energy pyyramid shows how the energy "flows" from organism to organism as it goes up.
Answer:
A stellar-mass black hole forms when a star with more than 20 solar masses exhausts the nuclear fuel in its core and collapses under its own weight. The collapse triggers a supernova explosion that blows off the star's outer layers.
Explanation:
Answer:
they are chambers located below the two atria.
the right ventricle receives deoxygenated blood whereas the left receives oxygenated blood which opens up into the aorta
Answer:
Antonie van Leeuwenhoek
Explanation:
Antonie van Leeuwenhoek was a Dutch linen merchant who specialized in grinding glass lenses to ever finer specifications. This grounded glass lenses built at an ever finer specifications was the groundwork for his manufacturing of the microscope that is used for studying and describing various living microscopic animalcules.
