Determine whether the stated conclusion is valid based on the given
information. If not, choose invalid..

Given: ∠A and ∠B are supplementary

Conclusion: m∠A + m∠B = 180

The concept of keystone species is controversial among ecologists because most organisms are highly interdependent. if each of the trophic levels is dependant on all others how can we say one is most important

How does the diagram explain ocean currents? earth tilt 23.5 degreesquestion 1 options: earth's tilt causes uneven heating of earth which causes currents.earth's tilt causes the ocean to move because of gravity.earth's tilt and its rotation cause currents.earth's tilt causes uneven distribution of salt which causes currents.

Construct at least two possible hypotheses for the student’s experiment.