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
anyanavicka [17]
2 years ago
13

What is a substance?

Biology
2 answers:
Dafna11 [192]2 years ago
7 0
A substance is usually a form of matter having constant chemical composition and characteristic properties.
fomenos2 years ago
6 0

Answer:

the real physical matter of which a person or thing consists and which has a tangible, solid presence.

Explanation:

You might be interested in
Under which branch we would study both Amoeba and plasmodium​
notka56 [123]

Answer:

Protozoology should be the answer.

3 0
2 years ago
Helpp.............................
zaharov [31]

Answer:

The answer is A

Explanation:

It is logical because the balloon lets the student see how much gas is released in the reaction. the balloon inflates with invisible air the student will normally not see.

8 0
3 years ago
Read 2 more answers
What is the advantage to having two different protein- digesting enzymes
sergiy2304 [10]

Answer:

they break down carbohydrates and fats

8 0
3 years ago
What kind of nucleic acid is found in retroviruses? ​
yKpoI14uk [10]

Answer:

A retrovirus is an RNA virus that is duplicated in a host cell using the reverse transcriptase enzyme to produce DNA from its RNA genome. The DNA is then incorporated into the host's genome by an integrase enzyme. The virus thereafter replicates as part of the host cell's DNA.

7 0
3 years ago
#1 Multiple choice: A. The highest temperatures are on land B. High ocean temperatures form a band in the tropics and subtropics
Llana [10]

Answer:

d all of these are valid generalizations

5 0
3 years ago
Other questions:
  • 2 ANSWERS/ WILL GIVE BRAINLIEST
    14·2 answers
  • Which of the following is an example of a polygenic trait? A. The flower color of a plant is determined by how three different a
    8·2 answers
  • Which description accurately compares cellular respiration and photosynthesis?
    12·1 answer
  • Which describes a link between the nervous and excretory system
    6·2 answers
  • I need help please
    13·2 answers
  •   The water table is the
    9·1 answer
  • What organelle is huge in plant cell but small in Animal cell
    13·1 answer
  • a large amount of something in one place? NEED TO KNOW ASAP! A) Solute B) Solvent C)Solution D) Concentration
    8·2 answers
  • many people try to elimante fat from their diets. which is one reason it is necessary for humans to eat fat
    10·1 answer
  • __________ exhibits a lot of apparently empty space, and is found in many serous membranes.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!