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
ryzh [129]
3 years ago
8

Which statement best describes chemical properties of matter?

Biology
2 answers:
Free_Kalibri [48]3 years ago
8 0

The answer is A. Chemical properties, such as density, must be observed when a substance is in its natural state at room temperature and normal atmospheric pressure.

motikmotik3 years ago
4 0
<span>Chemical properties, such as density, must be observed when a substance is in its natural state at room temperature and normal atmospheric pressure.</span>
You might be interested in
Why do scientists refer to charles darwin’s ideas about evolution as the theory of evolution?
bearhunter [10]
<span>Charles Darwin theory is theory of biological </span>evolution, that explains how modern organisms evolved over long periods of time through descent from common ancestors. Evolution is the process of change over time and Darwin explains in his theory the changes in humans over time and <span>shows how the living world is constantly changing.</span> This is the reason why cientists refer to charles darwin’s ideas about evolution as the theory of evolution.
8 0
3 years ago
What helps water and minerals move from the roots of a plant to the leaf of a plant? A. the tall thin cells of a leaf B. the tin
goldenfox [79]

Answer:

A or C

Explanation:

Xylem consists of several different types of <u>cells</u>: fibers for support, parenchyma for storage, and tracheary elements for the transport of water. The tracheary elements are arranged as<u> long tubes through which columns of water are raised</u>. In a tree trunk, the innermost part of the wood is dead but structurally strong xylem, while the outer part consists of living xylem, and beyond it, layers of cambium and phloem.

5 0
3 years ago
Drag each label to the correct location.
Marizza181 [45]

Answer:

* Glucose may cause an increase in bacterial growth - HYPOTHESIS

* The bacterial colonies grown without glucose don’t have capsules around their cells - OBSERVATION

* Bacterial growth in the glucose environment increased rapidly and then stopped after some time - OBSERVATION

* Increased glucose may lead to capsule formation in bacteria - HYPOTHESIS

Explanation:

In an experiment, a HYPOTHESIS is a predictive and testable statement that aims to answer a scientific question while an observation is made based on the results obtained.

According to this question, Annie wants to study the effect of glucose on bacterial colonies. She conducted the experiment by growing two colonies of bacteria - one with glucose present in the environment and one in an environment without glucose. Based on this experiment, the following statements are categorized as:

- Glucose may cause an increase in bacterial growth is a HYPOTHESIS

- The bacterial colonies grown without glucose don’t have capsules around their cells is an OBSERVATION

- Bacterial growth in the glucose environment increased rapidly and then stopped after some time is an OBSERVATION

- Increased glucose may lead to capsule formation in bacteria is a HYPOTHESIS

6 0
2 years ago
Question 8
sashaice [31]

Answer:

(B) They Bind to receptor proteins on the surface of the postsynaptic neuron.

I Hope this helps!

6 0
3 years ago
When a photon of light energy reaches a reaction center chlorophyll molecule, what becomes excited?
zubka84 [21]
The answer is c which is an electron
3 0
3 years ago
Read 2 more answers
Other questions:
  • Cells that become gametes are called ______ cell lines.
    12·2 answers
  • HELP ME A LOT OF POINTS
    14·2 answers
  • !!10pts!! Answer correctly answer please!! Exclamation to please for comfort
    9·1 answer
  • Which cell part contains directions for cell growth and reproduction?
    13·2 answers
  • A student wants to test the effect of nitrogen rich fertilizers on the growth of rose bushes. Which of the following is a variab
    5·1 answer
  • I need help asap Currently, which event having the greatest effect on the entire interconnected ocean ecosystem?
    9·2 answers
  • The belly buttom is located on the ___ Surface
    8·1 answer
  • HELP!!!!!!!!!!!! IM BOUT A PLANT
    8·2 answers
  • Plz plz plz help Scientists rejected Wegener's theory because he could not _________________________.
    13·1 answer
  • Questlon 11 of 25
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!