“A student sees several ants walking up a wall following the exact same trail that an ant took earlier. She wants to apply the scientific method the determine how the ants detected the trail. Which of these players would come first in her application of scientific method “ Please help

The circles, or orbits, for electrons are called energy levels. each level can hold only a certain number of electrons. add electrons to each level until you can't add any more. how many electrons can each level hold?

Select the word from the list that best fits the definition a system made of 25 satellites

Amarine ecologist has constructed the conceptual model shown in the diagram. what predictions can be made from using this model? where the tertiary consumers get their energy how often primary producers are able to reproduce when bacteria and fungi initiate the process of decomposition whether other secondary consumers are present