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
worty [1.4K]
3 years ago
15

Robots have been around since the 3rd century BC. At that time, they were mainly invented as toys to amuse the king or emperor.

Chemistry
2 answers:
Sergeeva-Olga [200]3 years ago
8 0

Answer:

B. I and II only  

Explanation:

For example, unmanned space probes can gather information more easily than a human can.

Closer to home, many biochemical research and pharmaceutical industries use pipetting robots for their repetitive pipetting chores.

C is wrong.  Machines can do things faster than any human ever could and not get tired, but humans possess the intelligence, expertise, and skills to use the robots most efficiently and to solve problems when things go wrong.

timama [110]3 years ago
6 0
A I think sorry if it’s wrong
You might be interested in
Which of the following was not a geological clue used to support the theory of continental drift
Andrei [34K]

The answer is:

D. Samples of ocean water.

4 0
3 years ago
Read 2 more answers
Word Bank: automobiles, fossil fuels, plastic packaging, planes, trains _________________________ requires oil to create it.
Ymorist [56]
Plastic packaging requires oil to create it
7 0
3 years ago
Why do you elements in the same group have similar properties
lozanna [386]

Answer:

They have similar properties, because they share similar amounts of electrons in their outer shell, valence electrons! This means they will only be able to interact with other elements with those electrons so they often show similar properties.

Explanation:

7 0
3 years ago
Can someone help me please ?
KiRa [710]

Answer: B

Explanation:

Graph 1 represents an endothermic reaction, Graph 2 represents an exothermic reaction.

***If you found my answer helpful, please give me the brainliest. :) ****

3 0
3 years ago
Read 2 more answers
There are only two isotopes of gallium: ^69Ga (68.926 amu) and ^71Ga(70.025 amu). The average atomic mass of gallium is 69.723 a
SVEN [57.7K]
The question ask for the percentage of the abundance of galium-69 where there is two isotopes of galium: the 69Ga and the 71Ga. The average atomic mass of gallium is 69.723 amu. So the formula would be <span>69.723amu=(%x)∗(68.926amu)+(1−%x)∗(70.025amu) and the answer to this is 1.58%</span>
3 0
3 years ago
Other questions:
  • Steps for Seperating mixtures flowers peteale water and sugar
    9·1 answer
  • 1. The Russian chemist who designed the first accepted version of periodic table in the 1800s was ______________.
    7·1 answer
  • How many moles of oxygen gas would be needed to react completely with 8 moles of lithium metal in the following reaction?
    9·1 answer
  • Which do you think would be safer for heating a flammable liquid sample contained in an open beaker, and Bunsen burner or an ele
    5·1 answer
  • Which of the following should be done when designing an experiment for a controlled scientific investigation?
    10·2 answers
  • Plastics becoming brittle after being left in the sun.... Is it exothermic or endothermic?
    5·1 answer
  • 33.75 g of copper are reacted with 117.5 g silver nitrate. How much excess reactant would be unused or left over( in grams)?
    11·1 answer
  • Identify these element:a non-metal in the same group as leads?
    13·1 answer
  • Molar mass for C 3 H 6 (O H)2
    12·2 answers
  • What can you conclude about the relationship between height and energy?​
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!