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
Hunter-Best [27]
3 years ago
11

Which step you should take before performing a scientific investigation

Chemistry
1 answer:
Julli [10]3 years ago
4 0

Answer:

D. Purchase the equipment and chemicals you will need​

Explanation:

You might be interested in
Use dimensional analysis to convert 14.5mi/hr to km/s
Liula [17]

Answer:

0.006 48 km/s

Explanation:

1. Convert miles to kilometres

14.5 mi × (1.609 km/1 mi) = 23.33 km

2. Convert hours to seconds

1 h × (60 min/1h) × (60 s/1 min) = 3600 s

3. Divide the distance by the time

14.5 mi/1 h = 23.3 km/3600 s = 0.006 48 km/s

5 0
3 years ago
The first person who suggested that matter was made up of atoms was the Greek philosopher ____________________ .
abruzzese [7]

Answer:

Democritus

Explanation:

4 0
3 years ago
Read 2 more answers
A solid is dissolved in a liquid, and over time a solid forms again. How can
vazorg [7]
I think B is write but even I’m not sure
7 0
3 years ago
I will mark brainliest
elena55 [62]

Answer:

d

Explanation:

it's the only one that seems to make sense

3 0
3 years ago
How many phosphate bonds are responsible for the high energy content of ATP? A) one B) two C) three D) four
Komok [63]
The answer is A. The ATP is called adenosine triphosphate which means that it has three phosphate groups. But when energy is released from ATP, ATP will transform to ADP. In this process, only one phosphate bond will break.
6 0
3 years ago
Read 2 more answers
Other questions:
  • The process in which an organic acid and an alcohol react to form an ester and water is known as esterification. Ethyl butanoate
    10·1 answer
  • True or false: Tectonic Plates move quickly so it is difficult to notice.
    8·1 answer
  • Which answer is correct for the question below? Why would number <br> Two be incorrect?
    6·1 answer
  • Nuclear power produces more toxic mercury than coal-burning power plants do.<br><br> True Or False?
    8·2 answers
  • 8.310x10^2 – 7.210x10^1<br><br>[?]x10^[?]​
    13·1 answer
  • Which of the following is a reactant in photosynthesis?
    7·1 answer
  • The energy transfer between the system and the surroundings, in the form of heat at constant pressure is described by which of t
    9·1 answer
  • A strong compact cuticle makes for
    6·1 answer
  • What is the metric prefix for the factor 10^-9?
    13·1 answer
  • how much would the boiling point of water increase if 4 mol of NaCl were added to 1 kg of water (Kb=0.51 C/(mol/Kg) for water an
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!