alexmartinez12401 alexmartinez12401

26-11-2018
Advanced Placement (AP)

contestada

Describe how you can use your fingernail, a copper penny, and a steel knife blade to estimate the hardness of a mineral.

Respuesta :

gaby0907 gaby0907

01-12-2018

According to the Mohs scale of mineral hardness, your fingernail has a hardness of about 2.5, a copper penny of about 5.0, and a steel knife blade of about 6.5.(hope this helps!)

Answer Link

Otras preguntas

Sofia manages her employees by carefully monitoring their production, comparing what they do to predicted schedules and desired budgets. Sofia can best be descr

BRAINLIEST! NEED HELP ASAP! (please put the right answer & as an equation)

A man set off in his friend’s car on a 200-km journey at 10.30 a.m. The car broke down after it had travelled 150 km at an average speed of 50 km/h. Twenty min

Subtract. 6 2/3−4 4/9 2 2/9 2 10/9 2 6/9 2 4/9

Use the rules for significant figures to find the answer to the following addition problem: "21.4+15+17.17+4.003"

Which statement is true? A. Both wars involved attempts at ethnic cleansing. B. Germany was the aggressor in each war. C. Sarajevo hosted the World Cup for socc

Jaxson is deciding between two truck rental companies. Company A charges an initial fee of $50 for the rental plus $2 per mile driven. Company B charges an init

Select the correct text in the passage. Identify the two groups of words in the excerpt that are coordinate adjectives. During her speech, the newest presidenti

Oumar brought 8 more worms than Ulises brought. When they combined their worms they had 32 altogether. How many worms did each boy bring?

help please will give brainliest thank you