You place a specimen under the microscope and notice that parts of the specimen begin to emit light immediately. These materials can be described as <u>Fluorescent.</u>
Answer:
D is the answer
Explanation:
incomplete dominance
A=T is the answer ..............
The density of the aluminum is 5.45 g/cm3
Density (δ) is the ratio of the mass to the volume of a substance:
δ= m/v= 109 g/ 20 cm3= <em>5, 45 g/cm3</em>