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
bogdanovich [222]
3 years ago
11

The experimental results could be made more valid by... 1) increasing the number of students. 2) using a plastic clothespin. 3)

using safety precautions. 4) making a bar graph of the data.
Biology
1 answer:
quester [9]3 years ago
5 0
3) using safety precautions
You might be interested in
During which phase of the cell cycle does the cytoplasm of a cell divide to form two daughter cells?
Roman55 [17]

Answer:

its either A or D I think that it's a but im not 100%sure

4 0
3 years ago
The difference in air pressure causes?
ziro4ka [17]

winds also B. because winds change the air pressure meaning thats the answer

4 0
3 years ago
If the function of blood vessel is to keep blood flowing in one direction, what would be some things it would need structurally?
Novay_Z [31]

Answer:

Capillaries, the littlest and generally various of the veins, structure the association between the vessels that divert blood from the heart (supply routes) and the vessels that return blood to the heart (veins).

Explanation:

Capillaries, the littlest and generally various of the veins, structure the association between the vessels that divert blood from the heart (supply routes) and the vessels that return blood to the heart (veins). The essential capacity of capillaries is the trading of materials between the blood and tissue cells.  

Blood vessels a cylindrical organization all through the body that permits blood to spill out of the heart to each body cell and afterward back to the heart. The three kinds of veins are corridors, vessels, and veins. Each vein comprises of a layered divider encompassing a focal blood-containing space, or lumen.

6 0
3 years ago
How many chromatids are in each replicated chromosome
DENIUS [597]
Each chromosome (replicated or not) contains 2 chromatids.
7 0
4 years ago
Read 2 more answers
Which of the following is required for the sodium-potassium pump to transport potassium ions into an animal cell?
Marta_Voda [28]

Answer: Energy from ATP

Explanation:

4 0
2 years ago
Read 2 more answers
Other questions:
  • Please explain this statement that ---------- how life is a complex mesh work involving a perfect co-ordination of a vast majori
    9·1 answer
  • Which of the following must be true in a dry limestone cave? Select all that apply. A. Water once entered the cave. B. The cave
    10·1 answer
  • Sometimes, pregnant women are very emotional. This is believed to be caused by extra estrogen and progesterone that are released
    11·1 answer
  • A 22-year old male college student was presented at the ESU health clinic. He looked tired and pale. He presented because of hig
    6·1 answer
  • Work is measured in the same units as which of the following quantities?
    6·1 answer
  • How do these two systems (circulatory and respiratory system ) maintain homeostasis
    6·1 answer
  • Which of these is a long-term human health issue likely caused by air pollution?
    5·1 answer
  • What do B cells do?
    12·2 answers
  • Drag and drop each word or phrase into the type of olate boundary it describes
    14·1 answer
  • Spores and seeds have basically the same function-dispersal-but are vastly different because spores ________. (A) have a protect
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!