Can some one discuss the possible effects that the warming of the air and oceans might have on marine ecosystem such as the coral reefs and mangrove

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

What organelle other than the nucleus houses dna in a eukaryotic cell?

Which is a kingdom? protistachordataprokarya mammalia