Hi umm Which of the following is the lowest level in the hierarchy of the organization of living things? atoms

Compounds

Organ systems

Tissues

help me please

The force acting on a beam was measured under the same operating conditions and a sample of 5 data points was collected. this process was repeated by 3 observers. the pooled standard deviations of these 3 data sets was 1.21. determine the true mean force using all pooled data (with a 95% probability). the result should look like this: true mean = mean +/- margin of error

Which is not true about oxygen-17 and oxygen-18?

Is the time in tennessee the same as florida