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
love history [14]
3 years ago
5

Blimps were once filled with hydrogen, but now helium is used

Biology
1 answer:
rusak2 [61]3 years ago
6 0

Answer:

C.

Explanation:

Hydrogen's pure form is gas at room temperature. Helium is expensive. Hydrogen is lighter than helium.

You might be interested in
A mother with type A blood and genotype IAi and a father with blood type B and genotype IBi have children who grow up and become
777dan777 [17]
Hi

I am new here

But I think the answer is IAIB
6 0
3 years ago
How does pH and temperature affect cellular respiration?
Ray Of Light [21]
PH – depends on the environment the cell that is respiring is in.

Temperature; as it increases, the rate increases…to a point (too hot and enzymes denature!)
4 0
3 years ago
Cancers may be either inherited or they may be induced by environmental factors such as carcinogens and radiation. Select the st
fomenos

Answer:

Option (2) and (3).

Explanation:

Cancer is the uncontrolled division of the cell that might results in the loss of apoptosis in the cells. The cancer cell shows the property like angiogenesis and loss of contact inhibition.

Both the hereditary factors like mutations in some gene and environmental factors like any mutagen may inhibit the process of the cell division. Both these factors mainly inhibits the gene that are responsible for the regulation of the cell cycle like p53, Rb.

Thus, the correct answer is option (2) and (3).

8 0
3 years ago
A student conducted an experiment with two rose plants to determine if a liquid formula for fertilizer produced greater growth t
Nastasia [14]

Answer: it was necessary to see data from more plants before the conclusion could be accepted

Explanation: i got it right

8 0
3 years ago
A digital camera would be most beneficial to someone who investigates
Ugo [173]
Its either a or d 
a because if someone takes a photo of the wings they could see how the wings work
or
d because then the person could see the colors in the pictures
6 0
2 years ago
Other questions:
  • Which items are sources of water pollution or water pollutants?
    8·2 answers
  • What are three characteristics of a sustainable ecosystem?
    11·1 answer
  • Define Paleontologist - *
    13·2 answers
  • The United States has the most reserves of which fossil fuel?
    9·2 answers
  • The description of a cell organelle is given below.
    8·1 answer
  • Which of the following would you most want to see in your garden? ladybug aphid whitefly cabbage looper
    12·2 answers
  • Which description of early Native Americans is most accurate?
    12·2 answers
  • What happens when the temperature of air decreases to the dew point or below the dew point
    13·2 answers
  • Here is a pedigree for colorblind (H)<br><br>What is fred's genotype?
    15·1 answer
  • 5. The structures pictured in Fig. 1 are found on the undersurface of a leaf.
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!