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
Doss [256]
3 years ago
14

Which of these BEST describes a scientific variable?

Biology
2 answers:
elena55 [62]3 years ago
7 0

Answer: C) a factor that may affect an experiment or investigation

Explanation:

This is the best answer. A and B can be eliminated. D describes a controlled variable which is more specific than a scientific variable, thus C is the best answer. It is the best description of  just a scientific variable.

vladimir1956 [14]3 years ago
4 0

Answer:

C

Explanation:

You might be interested in
What is the approximate duration of sensory memory?
Jlenok [28]

Answer:

STM is capable of storing information for 10–15 seconds without rehearsal while working memory actively processes, manipulates, and controls the information. Information from STM can then be consolidated into long-term memory where memories can last a lifetime.

Explanation:

7 0
2 years ago
The stomata you view on the surface of the leaves are used in gas exchange and the guard cells regulate this exchange. What do y
beks73 [17]

Answer:

They will collapse and shut off the stomatal pore

Explanation:

The guard cells are regulated by the presence of water. When water is present, they become turgid and open up the stomatal pore and when water is inadequate, they become flaccid, collapse and close up the stomatal pore as a result.

<em>If the leaf is left under the microscope for too long, there will be loss of water by evapotranspiration and the guard cell will become flaccid and collapse as a result and the stomatal pore will become closed.</em>

8 0
3 years ago
An adaptation becomes more widespread in a population through the process of _____.
vovangra [49]
C) Natural selection

When something happens in nature and something changes all of a sudden, the animals tend to adapt to what gives them more chances of survival.  As a result, a large amount of the population would attempt to adapt in a way that helps them survive.
7 0
3 years ago
Read 2 more answers
How does the process of smooth muscle contraction differ from contraction in skeletal muscle?
Lana71 [14]

Similar to the other types of muscle, smooth muscle contraction is caused by the sliding of myosin and actin filaments over each other. Calcium initiates contractions in a different way in a smooth muscle than in a skeletal muscle.

Smooth muscles use less energy to generate the given amount of force, can substain contractile force without fatigue & uses calcium from the sarcoplasic reticulum & extracellular space.

7 0
3 years ago
HELP ASAP!! DUE TOMORROW!! WILL MARK AS BRAINLIEST!!
prohojiy [21]
It going to be  two students
 6.88

5 0
2 years ago
Read 2 more answers
Other questions:
  • Infer why might scientists want to copy the gene for human growth hormone
    5·2 answers
  • Nerves impulses _____. start at the dendrite are electrical signals can travel backwards and forwards are only found in the auto
    10·1 answer
  • A scientist was observing a specimen under a microscope. He obtained the specimen from pond water. He observed that the specimen
    9·2 answers
  • Ecosystems include food webs that show predation and prey interactions among organisms. But ecosystems have many more relationsh
    10·1 answer
  • How do cellular junctions and receptors help an organism maintain homeostasis
    5·1 answer
  • Homozygotes with two sickle-cell alleles are selected against because of mortality. However, heterozygotes for sickle-cell allel
    9·2 answers
  • Physical and chemical changes occur during digestion. An example of a chemical
    7·1 answer
  • What is photosynthesis?​
    10·2 answers
  • A potato plant can reproduce asexually so that one potato can often give rise to many other potatoes. Strawberry plants can repr
    13·2 answers
  • what do you call the sex cell. of the flowering plant? a. gametess b. spores c. budding d.pollination. pls answer i need the ans
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!