Magnets will each other when poles are facing.
a. attract, like
c. repel, like
b. repel, unlike
d. none of the above

Lymphocytes known as blastocysts make antibodies that fight infection. select the best answer from the choices provided t f

Need asap ‼️ 20 pts which gravitational force field diagram is drawn correctly? (answers in pictures below)

Light from a sodium lamp passes through a diffraction grating that has 1000 slits per millimeter. the interference pattern is viewed on a screen 1.000 m behind the grating. the first (m = 1) two bright yellow fringes that are visible are 0.7288 m and 0.7300 m from the central maximum. what are the wavelengths of these two fringes?