The Sputnik 1 was the first satellite sent up to space.
primary production is the synthesis of organic compounds from atmospheric or aqueous carbon dioxide.
It has a lot of advantages as well as disadvantages; but they prevent or suppress the entry of pathogens; colonies produced by some organisms of normal flora have a harmful effect on the pathogens; endotoxins liberated by normal flora may help the defense mechanism of the body. (Make me the brainless please)
Answer:
White blood cells are constantly tearing holes in your blood vessel walls. But these guardians of the immune system are doing it to protect you: Once they ride through the bloodstream to infected tissues—where they make antibodies and eat foreign invaders—they need a way to get inside
Explanation:
found this on google to do it fast sry -w-