Which type of mixture can be separated using a sieve? a homogeneous mixture with components of varying sizes a homogeneous mixture with components of the same size a heterogeneous mixture with components of the same size a heterogeneous mixture with components of varying sizes

Answer is D. The last choice.

above statement is not a true statement about the open ocean because the open ocean has low levels of nutrients. most of the photosynthetic activity on earth occurs in the open ocean within the photic zone. organisms in the deep ocean are exposed to frigid temperatures and total darkness but it does not begin at the low-tide mark.