Esmerelda has a certain amount of money. she spent $50 and has 3/4 of the original amount left. how much money did she have originally?

Which of the following statements is true? minerals can be solids or liquids. minerals must have a homogeneous chemical composition. evaporites are a type of metamorphic rock. contact metamorphism is caused by large-scale geological events.

Expune in 3 argumente proprii opinia ta despre necesitatea respectarii corectitudini orale si scrise a taxtelor de publicitate

During sensitive periods of brain development like cell migration the brain is vulnerable to effects like: a. malnutrition b. infection c. toxins /drug use d. b and c e. all of the above