Which of the following events occurs during the 1st trimester. There is more than 1 correct answer.
Lungs finish forming.
Genitals begin to develop.
Skeleton begins to form bones.
Brain, spinal cord and heart begin to form.
Eyes detect light.

Which is the function of the hypothalamus in thermoregulation? answers: -sensor -effector -stimulus -intergrating center it's either a or c i believe

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic

[34 points awarded to the best answer, use facts and/or data] 1.) what's the likelihood of thunderstorms occurring in the state of maryland? {this question is for a project for science, use facts and/or data and explain why . 34 points to the best answer]