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
vodka [1.7K]
4 years ago
9

A student hypothesized that drinking tea would cause an increase in pulse rate. He measured his pulse

Biology
1 answer:
yulyashka [42]4 years ago
8 0
The error is that the student didn't check his pulse before drinking tea to compare to, he can't prove something if he doesn't have anything to compare it to
You might be interested in
Answers to the Homeostasis Gizmo Quiz (all of my answers were correct)-
SashulF [63]

Answer:

Umm... What's the question?

Explanation:

8 0
3 years ago
Read 2 more answers
During what phase of meiosis does sister chromatids align at the equator?
Alla [95]

During metaphase II, the centromeres of the paired chromatids align along the equatorial plate in both cells. Then in anaphase II, the chromosomes separate at the centromeres. The spindle fibers pull the separated chromosomes toward each pole of the cell.
3 0
3 years ago
How is a junior penguin able to survive in the ocean? <br>someone now this question ​
valentina_108 [34]

Answer:

the penguins have a special care process since the hatching of the egg, the newborns receive care from their parents and have warmth from them placing themselves between their paws, the parents take turns caring for them and when the father is not with the chick, he goes in search of food, which he gives regurgitated, then the cris can go to a kindergarten where others of the same age are cared for by a herd of penguins, however his parents go to the sea and feed and continue to bring food to their son, this process it is kept until they change plumage and are ready to get their food on their own.

8 0
3 years ago
Vectors transmit _____. cyanobacteria viruses aerobic bacteria rickettsia
Effectus [21]

rickettsia i believe.

3 0
3 years ago
Read 2 more answers
What is carbon?<br> A. an element<br> B. a compound<br> C. an<br> organism
sveticcg [70]
It as an element with an atomic number of 6 in the periodic table
3 0
3 years ago
Read 2 more answers
Other questions:
  • All of the following are types of symbiotic relationships except for
    14·2 answers
  • Which organelle captures the energy from sunlight and converts it to chemical energy, and in which cells could it be found?
    6·2 answers
  • Mendel's rules do not correctly predict patterns of inheritance for tightly linked genes or the inheritance of alleles that show
    13·1 answer
  • What is the difference between ecosystem services and natural resources?
    10·1 answer
  • Why doesnt it rain much in east ferris
    15·1 answer
  • Can someone help with this?
    12·2 answers
  • During the final stages of human gestation, receptors for the hormone oxytocin increase onthe smooth muscle cells of the uterus.
    7·1 answer
  • Sunlight, water, and carbon dioxide are all necessary for photosynthesis. Which cells in a leaf are responsible for collecting e
    9·2 answers
  • Which describes the changes in visible light moving from red to violet?
    13·1 answer
  • What is the starting material in transcription?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!