1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Maslowich
3 years ago
15

what is a mineral's estimated hardness if it can scratch a fingernail, penny, steel plate, and glass?

Biology
2 answers:
liraira [26]3 years ago
7 0

Answer:

5.5

Explanation:

Instead, common objects are used as tools to perform the hardness test: fingernail (hardness = 2.5) copper penny (hardness = 3) glass plate or steel knife (hardness = 5.5)

Nady [450]3 years ago
6 0

Answer:

5.5

Explanation:

You might be interested in
Tasha went on a trekking expedition to a mountain range during her vacation. When she reached a particular height, it started ra
Xelga [282]
It should be geosphere , troposphere
7 0
3 years ago
Read 2 more answers
flowering plants and shrubs are unable to grow in deciduous temperate rain forests. What is the possible reason for this phenome
Nataly [62]
Plants require sun to grown and in deciduous rain forests most of the sunlight hits the top of the tall trees and not on the rain forest floor where most of the plants and shrubs are
5 0
3 years ago
Read 2 more answers
Domestic horses have a greater diversity of coat colors than that of wild horses. The process that led to a greater diversity of
victus00 [196]

Answer:

Option A

Explanation:

In this case, there are two varieties of horses: Domestic horses that are raised and bred by humans and Wild horses that lives in the wild. The issue of varieties in coat colour of domestic horses can be explained as what occured by selective breeding, also known as artificial selection which is a technique by which humans develop new offsprings with desirable and suitable characteristics. These breeders select two parents that possess beneficial phenotypic traits to mate, producing offsprings with those desired traits such as strength and also for coat colour as stated.

3 0
3 years ago
How do fats differ in their chemical composition from carbohydrates?
kkurt [141]
Fats i think have 3 fatty acids attach to the sugar glycerol , 

while carbs are  made up of  hydrogen,  glucose  and sucrose  aka your sugars 
3 0
3 years ago
Help with these five questions anyone it would be very helpful?
uranmaximum [27]
Admission to practice law<span>. ... In English, admission is also called a </span>law license<span>. Basic requirements vary from country to country, as described below. In some jurisdictions, after admission the lawyer needs to maintain a current practicing certificate to be permitted to offer services to the public.</span><span />
6 0
3 years ago
Other questions:
  • What is the shape and arrangement of neisseria gonorrhoeae
    12·1 answer
  • There is a multitude of evidence that supports how life has changed over time due to
    9·1 answer
  • At what point do different alleles of the same gene irreversibly separate into different daughter cells? anaphase ii
    15·1 answer
  • 4. Your ability to steer a vehicle depends partly upon the condition of the vehicle's suspension.
    7·2 answers
  • In which area of the root does most cellular differentiation take place?
    8·2 answers
  • What causes an adaption in species?
    8·1 answer
  • .... Weak attraction
    8·1 answer
  • If x+3/3 = y+2/2, then x/3 =
    7·1 answer
  • Describe how the state of matter will affect the usefulness of materials used in a stepping stone
    14·1 answer
  • PLEASE HELP WITH THIS ONE QUESTION
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!