Igneous rocks with porphyritic texture underwent two || stages of cooling. What do you think caused these rocks
to finish their cooling at or near the surface?

Which organelles are labeled d, and what is one feature that distinguishes them from the other labeled organelles chloroplasts the only organelles that produce sugars from sunlight mosomes, only found in animal and bacterial cells centricles only found in animal cells mitochondra, the only energo-generating structures found in cells

The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer

Identify two examples of chemical reactions that you have encountered during the last week. identify an exothermic and endothermic reaction. explain.