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
alexandr1967 [171]
3 years ago
15

On earth, 90 elements occur naturally, is this true

Biology
1 answer:
Kamila [148]3 years ago
6 0
No, there are a total of 92 natural elements.
You might be interested in
Mary has type A blood. Her son Bill has type AB blood. Which blood type does Bill's dad have if he is homogenous for blood type?
Temka [501]

His blood type is B....The answer is B for edgenutiy

7 0
2 years ago
Read 2 more answers
Which sample has the most evenness among the species studied?
Vilka [71]

I think the answer is sample 1


Hope this helps!

7 0
2 years ago
Read 2 more answers
An adult hemopoietic stem cell found in the bone marrow ______________________. (a) will occasionally produce epidermal cells wh
Alexxx [7]

Answer: (c) can undergo self-renewing divisions for the lifetime of a healthy animal.

Explanation:

The adult hematopoietic tissue or adult hematopoietic stem cells can be found in bone marrow of the animal. These cells have the ability to regenerate and renew so that the production of red blood cells remains continuous till death. Hematopoiesis can be defined as the production of cellular components of blood. The adult hematopoietic stem cells are located in the flat bones and ends of the long bones.

8 0
3 years ago
I need help with the awnsers
AleksAgata [21]
First of all, this was a bit garbled up, so it is sort of incomplete. 

You gave me a total of 43 words, and I only counted 41 slots on the crossword graph itself, which is problematic. 

I got as far as I could, but some of the words either weren't provided, or the spaces were made incorrectly for the length of these words. 

Across: 
2. (black / pitch) 
7. conservation 
9. radiation 
12. crest 
13 ? 
14. <em>whatever you wrote</em> 
15. dense 
18. ? (radiant)
19. ? (radiant)
20. amperes 
23. medium 
25. density 
26. ? 
30. resistance 
31. (pitch / black) 
34. voltage 
35. insulator 
38. amplitudes 
39. thermal 
40. ? 
41. wavelength 

Down: 
1. electromagnetic
3. (conduction/ convection) 
4. (convection/ conduction) 
5. (current/ radiation) 
6. heat 
7. chemical 
8. transverse 
10. energy 
11. nuclear 
12. circuit 
16. electrical 
17. electrons 
21. mechanical 
24. source 
28. ? 
32. rise 
33. MRS CHEN 
34. volts 
36. sound

7 0
3 years ago
Explain how plastic can be both beneficial and detrimental at the same time.
svp [43]

Answer:

Some benefits of plastic are that plastic packaging helps protect and preserve goods, while reducing weight in transportation, which saves fuel, reduces greenhouse gas emissions and are low in cost.

Some disadvantages are that toxic chemicals can leach out of plastic and can be found in the blood and tissue of nearly all of us. Exposure to them is linked to cancers, birth defects, impaired immunity, endocrine disruption and other ailments

6 0
2 years ago
Read 2 more answers
Other questions:
  • A species can develop genetic diversity.
    13·2 answers
  • Minerals are naturally occurring, inorganic solids that have a crystalline structure and a definite chemical composition. T or F
    14·2 answers
  • What can fish color tell us about human pigmentation? skin color is often one of the first traits people notice in each other. s
    13·1 answer
  • What is diffusion? Why is diffusion an example of passive transport?
    13·1 answer
  • PLEASE HELP! I HAVE A C AND I NEED TO GET MY GRADE UP!!!
    12·2 answers
  • Which condition can lead to neurogenic sock?
    9·2 answers
  • The traits of the offspring are the
    6·1 answer
  • Which of the geochemical cycles uses bacteria at every phase?
    9·1 answer
  • What are smaller subunits called
    9·1 answer
  • Why does the land on earth appear to be stable when in fact it is changing?
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!