Agold atom has ninety-two electrons. it also has ninety-two protons. how many electrons are in the first shell?

How does secondary succession differ from primary succession?

Hemoglobin is a proton that carries oxygen around your body what is hemoglobin made from

Which of these statements is true about autotrophs, but not heterotrophs? a. they use sugar and oxygen to make carbon dioxide and water.b. they use chlorophyll and oxygen to make carbon dioxide and water.c. they use sunlight, water, and carbon dioxide to make sugars.d. they use sunlight, water, and oxygen to make chlorophyll.