A mollusk fossil is found in rock layer 3 and a leaf imprint is found in rock layer 1. Which of the following statements is
true?

The leaf imprint is older than the mollusk fossil

The leaf imprint is younger than the mollusk fossil

The leaf imprint is the same age as the mollusk fossil

Sarah wants to know where in her garden chamomile would grow the best. she thinks chamomile will grow best in the corner of the garden that gets the most sunlight. to test her hypothesis, she decides to plant several groups of chamomile in her garden as an experiment. which of the following variables will sarah need to measure to know which group of plants grew best? a. the location of the plants b. the type of plants c. the height of the plants d. the amount of water she gives the plants

In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?

What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom