A scientist is studying a chemical reaction that occurs in the human body. She reproduces the reaction in her lab, but the reaction does not occur until she raises the temperature in her experiment to 10°C higher than the human body temperature. What is most likely different about the reaction in the human body? A.
The chemicals are more plentiful inside the human body.

B.
Semipermeable cell membranes regulate the reaction conditions.

C.
The blood provides the extra heat inside the human body.

D.
Enzymes in the human body lower the activation energy required.

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explanation:

the food storage products of chrysophytes are oils or the polysaccharide laminarin.   formerly classified as plants, the chrysophytes contain the photosynthetic pigments chlorophyll a and c all but the yellow-green algae also contain the carotenoid pigment fucoxanthin.

weathering - colorado river carves land in arizona to form the grand canyon. cracks form in a sandstone wall surrounding a house. a marble statue near the science museum is changing color due to rainfall

erosion - after a rainstorm, soil and rock piees litter the roadways. the sand dunes in the sahara desert are changing shape.

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