These following questions are about John dalton Were there experiences in his life that led to his interest in science and the study of the atom?
Defend his work on the atom and its contribution to the modern atomic model.
Point out which contributions are present in the modern atomic model and which were
eventually disproven and thus are not part of the modern model.
Please help quick thank you so much

Liquid water turns into water vapor at which step in the water cycle? a. precipitation o b. water run off c. evaporation d. condensation

Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data

During endocytosis, cells expel what they don't need take in what they need shrink due to loss of water