What advantages did Portugal have in discovering new lands and sailing routes?

Space is not completely empty. there are small particles in space. what happens when these particles come together?

What did factory managers expect women to do when men returned home from the war?

What is the evidence that depression can be linked to genetic as well as environmental factors? a. all individuals in similar stressful environments do not experience depression. b. all individuals with the gene variation tied to depression do not experience depression. c. individuals with a combination of environmental stress and gene variation are more likely to experience depression d. all of the above select the best answer from the choices provided оа 0 0 0