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Biology
how can we know how closely or distantly related fossil organisms are to living organisms?
Alexandra was preparing to go on a hike in the woods. She gathered the equipment she would need and placed it on the counter. By chance, she placed her compass near an electrical outlet. Although the compass was not moving, the compass needle turned because______________________? A. The electrical current in the outlet produced a magnetic field. B. The compass could only be used outdoors. C. The kitchen counter was made of a magnetic substance. D. The kitchen had a microwave oven.
The main autotrophs in terrestrial ecosystems are
What are proteins made out of? Where are they located in a cell?
Air pressure can be high or low. Does air flow from low to high pressure or from high to low pressure.
Why do most earthquakes occur at tectonic plate boundaries? a. The rock within a tectonic plate is stronger and less prone to deformation. b. Earthquakes occur where movement of tectonic plates transfers energy to the rock. c. Earthquakes are restricted to locations where magma can reach the surface and impart energy to rocks. d. Earthquakes occur when one plate overrides another, a process exclusive to plate boundaries.
What are the careers in biomedical engineering?
Why is it important for a cell to be able to turn a gene off?
Caleb has an opaque, reflective mineral. It has a blank luster.
Three of theseThree of these processes normally consume oxygen. Which process produces oxygen? A) combustion Eliminate B) respiration in animals C) photosynthesis in plants D) operation of an acetylene torch processes normally consume oxygen. Which process produces oxygen? A) combustion B) respiration in animals C) photosynthesis in plants Eliminate D) operation of an acetylene torch
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