subject
Biology, 04.12.2021 23:00 djcloverman3593

Mineral Z scratches talc (hardness: 1), but is scratched by gypsum (hardness: 2). What is the hardness of mineral Z? 1. Greater than 2

2. Less than 1

3. Somewhere between 1 and 2

4. None of the above

ansver
Answers: 3

Another question on Biology

question
Biology, 21.06.2019 16:30
25) a student takes four samples of a white crystalline solid and places each in a well plate. on top of each sample, she carefully places 20 drops of clear mystery liquids a, b, c and d. her results for each well are: liquid a: the solid dissolves quickly. liquid b: the solid appears unchanged. liquid c: a brownish colored liquid is produced. liquid d: fizzing occurs and the well becomes warmer. in which well does a physical change occur?
Answers: 3
question
Biology, 21.06.2019 21:30
How do accessory pigments chlorophyll?
Answers: 1
question
Biology, 21.06.2019 22:00
Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction. this is an example of speciation.
Answers: 3
question
Biology, 22.06.2019 05:00
Ialready know the answers to these questions and they are on the attachment. but i just need to know why that answer is the correct one. plz asap! this is for a report that i need to email by 10!
Answers: 3
You know the right answer?
Mineral Z scratches talc (hardness: 1), but is scratched by gypsum (hardness: 2). What is the hardne...
Questions
question
Mathematics, 28.12.2019 16:31