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
Ann [662]
4 years ago
7

A/an _______ is a type of research that involves observation and collecting data but does not include a control. A. independent

variable B. experimentation C. dependent variable D. investigation
Chemistry
1 answer:
pantera1 [17]4 years ago
8 0
Should be D. an investigation
You might be interested in
Please answer this it’s due tomorrow I’ll give you brainliest
Ipatiy [6.2K]

Answer:

The answer is the last one

Explanation:

1. Give

2.me

3. Brainliest

4.please

3 0
3 years ago
Read 2 more answers
1. What is the kinetic energy of 44 kg cheetah running at 31m/s speed?
Vanyuwa [196]

Explanation:

Given

mass (m) = 44 kg

velocity (v) = 31 m/s

Now

Kinetic energy

= 1/2 mv²

= 1/2 * 44 * 31²

= 0.5 * 44 * 961

= 21142 joule

Hope it will help you :)

3 0
3 years ago
What is the charge for the polyatomic ions listed?<br> ammonium and acetate
Svetlanka [38]

Answer:

-1

Explanation:

Many of the common polyatomicions have an electrical charge of.

8 0
3 years ago
Read 2 more answers
that B) My color is sickle: I have a drop of water in my body when I was given heat, white powder was formed So who am i Lets id
kramer

Explanation:

i don't understood your question ⁉️

and what do u mean by my color is sickle

8 0
3 years ago
Substances that absorb energy in the form of heat are
Yanka [14]

Answer:

Substances that absorb energy in the form of heat are

b)endothermic.

hope it helps :)

7 0
3 years ago
Read 2 more answers
Other questions:
  • Convert $1.89/gal to dollars per liter
    7·2 answers
  • Ima Chemist found the density of Freon-11 (CFCl3) to be 5.58 g/L under her experimental conditions. Her measurements showed that
    11·1 answer
  • Consider the reaction: N2(g) + O2(g) ⇄ 2NO(g) Kc = 0.10 at 2000oC Starting with initial concentrations of 0.040 mol/L of N2 and
    8·1 answer
  • An atom has 17 protons and 18 neutrons. Which of the following could be the symbol for that atom, including its mass number?
    13·2 answers
  • What charecteristics does Euglenoids have
    11·2 answers
  • Reptiles, amphibians, and fish are all cold-blooded animals. Their body temperatures are determined by their surroundings. How d
    11·1 answer
  • Consider the reaction below.
    13·1 answer
  • What does homeostasis refer to
    15·1 answer
  • Which of the following statements is correct?
    8·2 answers
  • If an electron falls from the n = 2 to the n = 1 energy levels in a Hydrogen atom what wavelength of light is emitted?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!