doortree6370 doortree6370

28-12-2022
Chemistry

contestada

A crystal contains a radioactive isotope that has a half-life of 20000 years 1/4 of the parent isotope remains it in a sample how old is the sample

Respuesta :

Otras preguntas

what was was the XYZ affair

Two +1 C charges are separated by 30000 m, what is the magnitude of the force?

speck of dust weighs 1.6 x10 kg. How many such particles would weigh1,6?

The perpendicular bisector of the line joining A(-10, 5) and B(-2, -1) intersectsthe x-axis at P and the y-axis at Q.Find the equation of the line PQ.

Where did England set up most of its North American colonies in the eighteenth century? A. West Coast B. Southern border C. Northern border D. East Coast

1. If only one event may occur on any one trial, then events are said to be a, independent. b. exhaustive. C.mutually exclusive. d. continuous.

A disease prevention strategy that helps people become more aware of health and diseases by teaching them new information is o health promotion. o behavior modi

The product of three numbers is 7.8 if one number is 3/5, find the other number

differentiate between external economics of scale and internal economics of scale of production.

Help clear the fractions I need more help