What is the shape of the path traversed by the earth around the sun?

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

Will give brainliest! jay rides his 2.0-kg skateboard. he is moving at speed 5.8 m/s when he pushes off the board and continues to move forward in the air at 5.4 m/s. the board now goes forward at 13 m/s.a. determine jay’s mass.b. determine the change in the internal energy of the system during this process.(express your answer to two significant figures and include the appropriate units.)

Individuals who live below the poverty line get seriously ill more often than those who do not what could be the hidden variable in this situation?