It spread by person to person
Answer:
carbon dioxide at normal atmospheric concentrations is limiting for the metabo- lism and growth of most land plants of the world. These plants share a comparable photosynthetic metabolic pathway, termed C3 photosynthesis. With an increase in CO2 there is an increase in photosynthesis and growth.
Explanation:
No, for the reason that, agar will not evaporate when it is in a solid state. Agar is a combination of two components, namely, the agaropectin, which is a heterogeneous combination of tinier molecules and another called the linear polysaccharide agarose.
Answer:
An atom is the basic unit of a chemical element. Atoms are made out of three main parts: protons, neutrons and electrons. Protons and neutrons are contained inside the very center of the atom, which is called the nucleus.
Explanation:
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Spindle fibers extend from centrioles to kinetochores and are responsible for moving chromosomes around during the mitosis
