Answer:
D. Competitive
Explanation:
Animals seem to get aggressive during interaction with other animals.
Answer:
The theory of evolution was proposed by Charles Darwin and was first formulated in his book, "Origin of Species" in 1859. It focuses on the changes in species and populations over time
Answer:
hydrogen, oxygen, carbon and nitrogen
I did 4 instead :')
Explanation:
<span>Light rays passing through glass is a process called radiation. This is a term used in physics meaning the transmission or emission of energy via particles or waves through a medium or through space. In this scenario the light rays are the energy traveling through the glass, a medium.</span>
Answer;
The above statement is true
Explanation;
-Complement is a system of plasma proteins that can be activated directly by pathogens or indirectly by pathogen-bound antibody, leading to a cascade of reactions that occurs on the surface of pathogens and generates active components with various effector functions.
-C3b is the larger of two elements formed by the cleavage of complement component 3, and is considered an important part of the innate immune system. C3b is potent in opsonization: tagging pathogens, immune complexes (antigen-antibody), and apoptotic cells for phagocytosis.
