Acharge q is placed at the centre of line joining 2 equal charges q .for a system to be in equilibriuma. q=qb. q= +q÷4c. q= -q÷4d. q=+ q÷2

Which experiment would most likely contain experimental bias

Ineed to get this test done which of the following statements is correct in hour our immune system responds to a potential pathogen? a.) the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. b.) b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c.) the adapted immune system will call on the innate immune system to destroy the pathogen. d.) the t-cells in the adapted immune systems are the first to recognize the pathogen

How far away is the nearest black hole from earth?