1 Two 1 kg blocks are about to slide down frictionless inclined planes as shown below. Each block is 1 m high which statement is correct?

Coquina, a type of limestone, forms from shell fragments that settle on the ocean floor. what type of rock is coquina?

Draw a simple labelled diagram if a collenchyma tissue

Which of the following is the best definition of a eukaryota? a. a one-celled organism that does not have a membrane-bound nucleus b. a one-celled organism that does not have a cell wall c. an organism whose cells each contain a membrane-bound nucleus d. an organism whose cells each have a cell wall