Brainlies ! 1. which description properly describes the plant structures involved in photosynthesis? stomata take in water, sunlight, and carbon dioxide and release oxygen. xylem transports water, stomata take in carbon dioxide, and chlorophyll absorbs sunlight. phloem transports water, stomata take in carbon dioxide, and chlorophyll absorbs sunlight. xylem takes in water, sunlight, and carbon dioxide and releases oxygen. 2. what evidence supports a conservation law? 6 co2 → c6h12o6 + 6 o2 6 co2 + 6 h2o + light → c6h12o6 + 6 o2 6 h2o + light → c6h12o6 + 6 o2 6 co2 → 3 c6h12o6 + 3 o2

Radiometric dating is used to tell the absolute age of materials by studying the decay rate of radioactive isotopes. the decay rates of isotopes are constant and are expressed as .

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.

Cold case files recently began re-investigating an old murder case. the murder took place in the park; a young man, james, was hit over the head with a brick and killed. police suspected the jealous former boyfriend of james' wife, karen. whoever killed james may have washed their hands in a near-by bird bath as detectives found blood in the bird bath. since the murder took place before dna fingerprinting was available, the suspected killer, ronnie, went free. detectives are now reviewing the blood evidence using dna fingerprinting. based on the dna fingerprints of all possible suspects, who is james' killer?