Which equation is correctly balanced? group of answer choices latex: a) ca\: +cl_2\: \longrightarrow\: cacl c a + c l 2 ⟶ c a c l latex b) ca\: +cl_2\: \longrightarrow\: ca_2cl c a + c l 2 ⟶ c a 2 c l latex c) 2h_2\: +o_2\: \longrightarrow\: 2h_2o 2 h 2 + o 2 ⟶ 2 h 2 o latex d) h_2\: +o_2\: \longrightarrow\: h_2o

Compare and contrast physical changes with chemical changes.

The diagram below shows a cell placed in a solution.a cell is shown placed inside a beaker. it is labeled cell. the solution inside the beaker is labeled 40% salt solution and the solution inside the cell is labeled 20% salt solution.only water is allowed to move in and out of the cell. what will most likely happen to the cell? it will expand as water moves out of it. it will shrink as water moves out of it.it will expand as water moves into it. it will shrink as water moves into it.

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.