Answer:
b. False
Explanation:
Angina pectoris is the medical term for chest pain that results from coronary heart disease.
It occurs when the heart muscle doesn't get as much blood as it needs and is usually caused by the accumulation of plaque on the inner walls of the heart’s arteries.
Physical science deals with lens for cameras and binoculars.
Explanation:
Physical science is a branch of science that deals with the study of intimate natural objects such as it includes physics, astronomy and chemistry related subjects.
A lens is a transparent material that refracts light rays so that image can be formed. A lens has two curved surface which are made up of plastic or glasses which are concave and convex in nature. A converging lens is used to produce images.
Thus Nancy is dealing with physical science as she designs lens for binoculars and cameras.
4 different types of allele combination would be possible
RY,
ry,
Ry,
rY
I Dont know srry mate next time maybe