Ellen grabs a topsoil sample in her hand. she rolls it into a ball. the soil feels gritty and the ball falls apart. what part of the topsoil most likely made the topsoil feel gritty? a-clay b-sand c-silt d-humus

Iwill mark brainliest and all that sha-bang. what is the function of the endocrine system? a. control longer term response in the body. b. transmit messages throughout the body. c. remove waste from the body. d. all of the above

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation

Are the layers of rock above and below the coal older or younger?