IM IN AN EXAM PLEASE HELP Which body system is directly affected when a person has heart disease? *
1)circulatory system
2)endocrine system
3)reproductive system
4)nervous system

During which phase does earth see more than half of the moon's surface? 1)first quarter2)third quarter3)waxing gibbous4)waning crescent

Will mark you as ! keiko’s teacher was discussing the theory of endosymbiosis. she asked keiko to mark the organelles in the diagram that most closely resembled prokaryotes. which organelles should keiko mark? * the first image is the question and the second image is some information to you answer the !

Describe the layers of the suns atmosphere?