Help please its only three questions!!
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Answers: 3
Biology, 21.06.2019 19:00, pattyv9845
Iron reacts with oxygen to produce iron oxide (rust). this reaction is represented in an equation as 4fe + xo2 → 2fe2o3. identify the value of x that will balance the equation.
Answers: 3
Biology, 21.06.2019 20:00, lakesha04begaye
The observations of hooke and van leeuwenhoek documenting the existence of microscopic cells formed the basis of what important theory? a. the cell theory stating that all living things are composed of cellsb. the theory of spontaneous generation, which held that life forms could arise spontaneouslyc. the theory of chemotherapy, or use of antimicrobials to destroy pathogenic organismsd. the germ theory of disease and causative agents
Answers: 1
Biology, 21.06.2019 21:00, natasniebow
Epinephrine is a hormone released from the adrenal gland of the body, most often in a stressful situation. it is known as the "fight-or-flight" hormone. one way that it causes a response in the body is to activate receptors on muscle cells. where are these cellular receptors located? a. on the cell membrane b. in the nucleus c. on the cell wall d. around the mitochondria
Answers: 1
Biology, 22.06.2019 04:30, 20brooklyn22
The specific heat of ice is 0.5 calories/gram°c. 20 grams of ice will require ll calories to raise the temperature 1°c. 05
Answers: 1
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Mathematics, 10.12.2020 19:00
Mathematics, 10.12.2020 19:00
Mathematics, 10.12.2020 19:00