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
yuradex [85]
2 years ago
15

What sea animals have moveable spines that they use for protection

Chemistry
1 answer:
Keith_Richards [23]2 years ago
7 0

Answer:

sea urchins

Explanation:

You might be interested in
What type of bonding is occuring in the compound below?
rewona [7]

Answer:

(B). it's metallic bonding

8 0
3 years ago
Four animals were fleeing from a wildfire. All of them were running at a speed of 30 miles per hour. Which one has the greatest
RUDIKE [14]

Answer: I don’t know lol

Explanation:  I am so sorry I thought this was easy

6 0
3 years ago
Read 2 more answers
draw the structure of two acyclic compounds with 3 or more carbons which exhibits one singlet in the 1H-NMR spectrum
loris [4]

Answer:

attached below

Explanation:

Structure of two acyclic compounds with 3 or more carbons that exhibits one singlet in 1H-NMR spectrum

a) Acetone CH₃COCH₃

Attached below is the structure

b) But-2-yne (CH₃C)₂

Attached below is the structure

5 0
3 years ago
The gold foil experiment resulted in two major discoveries which were made about the structure of the atom. what were they
DanielleElmas [232]
It showed that the nucleus is positively charged, and that the atom isn't just made of electrons.
8 0
3 years ago
Temperature cloud cover and thunder are all examples of
Umnica [9.8K]

Temperature, cloud cover and thunder are all examples of weather.  

<h3><u>Explanation:</u></h3>

Weather is described as conditions that prevail for a short period of time and the above-mentioned factors change variably throughout the day. Cloud cover simply describes the clouds coverage in the sky. It is one factor that is used to describe weather conditions since the type of clouds indicates prevailing weather.

For example, the presence of cirrus means there will be a storm in 24 to 48 hours. Weather conditions characterized by thunder is said to be stormy and it also has other conditions such as lightning, wind and fast rain with heavy raindrops. Temperature affects the warmness and coldness of the air and its movement. Moreover, it also affects all other aspects of weather conditions.

7 0
4 years ago
Other questions:
  • Name three chemical properties of wood
    11·1 answer
  • Which one is it? Please help
    12·1 answer
  • How are lysosomes similar to vacuoles?
    13·1 answer
  • Rutherford's gold-foil experiments proved the existence of which of the following?
    7·2 answers
  • What is the charge on an electron? ​
    8·1 answer
  • Contains nucleic acid has a protein coat derives its energy from a host cell
    5·1 answer
  • In a controlled scientific experiment,a scientist
    5·2 answers
  • How did I get the sand out the mixture ?
    12·2 answers
  • Would the amount of solid magnesium increase decrease or stay the same if you added a strong acid to it?
    8·1 answer
  • Professionals in a scientific laboratory and in the healthcare field need to accurately prepare solutions for a number of reason
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!