Answer: it's part of the immune system that focuses on specific foreign particles. Rather than generically attack any antigens, T cells circulate until they encounter their specific antigen. As such, T cells play a critical part in immunity to foreign substances !
Explanation:
<span>88(60) 24(365) that should be the answer after you figure it out.</span>
The best and most correct answer among the choices provided by your question is the first choice or letter A.
The flask with electrodes showed presence of coacervates because <span>the electrodes were a source of electricity that simulated lighting.</span>
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Two of the strongest forms of chemical bond are the ionic and the covalent bonds. Chemical bonds form between two atoms, each with its own electron environment
Alterations to the electron-based ionic or covalent bonds between ions or atoms happen during a chemical change. Such changes result in one or more new substances with different physical and chemical properties. This type of change stands in contrast to physical changes which, despite sometimes closely resembling chemical changes, only produce a change in physical properties.
