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
Naya [18.7K]
3 years ago
14

Need help please!

Biology
2 answers:
Leya [2.2K]3 years ago
7 0

Answer:

B. Liquid water flowed on its surface

Mnenie [13.5K]3 years ago
5 0

Answer:

B. Liquid water flowed on its surface.

Explanation:

We see evidence nowadays that Mars once had flowing water on its outer crust/surface. But due to temperature and different climate changes, the water changed into ice, and some of this water evaporated to space. Hope this helps!

You might be interested in
Which of the following chemical food preservatives is used in the wine industry but may cause asthmatic reactions in some indivi
alexandr1967 [171]

Answer:

<u>Sulfites</u>  are the chemical food preservatives which used in the wine industry but may cause asthmatic reactions in some individuals .

Explanation:

A chemical food preservative is a chemical species which are added to a product such as the beverages , food , drugs , paints , wood etc , to prevent  the process of degradation by microbes .

Sulfite is also an example of chemical food preservatives , sulfites helps the food from turning brown , in the presence of air .

Apart from helping the food from degrading , it too have same life - threatening symptoms for some people suffering from asthma .

Symptoms are - breathing difficulty , stomach cramps , tightness in the chest area , diarrhea .

Sulfites are used as a food preservatives in , wine , dried fruits , frozen potato , certain jams .

3 0
3 years ago
The Hawaiian state bird, the Nene, has an uncertain evolutionary history. It is thought that it has evolved from some other type
lana66690 [7]

Answer:

It will address the research question of what type of goose (species) does the Nene evolved from.

Explanation:

Genomics uses the whole set of an organisms DNA to study and understand its' function, structure, and evolution. Scientists will use the Nene's genome set to study its evolution,basically telling a story where it comes from.

7 0
3 years ago
A laboratory technique called polymerase chain reaction (PCR) produces millions of copies of a DNA molecule in only a few hours.
Leni [432]
B. DNA replication is the most similar to PCR
7 0
3 years ago
When an action potential from a motor neuron arrives at the neuromuscular junction (NMJ), a series of events occurs that leads t
Strike441 [17]

Answer:

conformational change in troponin

Explanation:

The troponin complex plays an essential role in the thin filament regulation of striated muscle contraction.

8 0
3 years ago
What is the first 20 element​
OleMash [197]
The First 20 Elements and The Difference Between Elements, Compounds and Mixtures. Standard. 1 – H – Hydrogen – Odorless, Colorless and Flammable Gas. 2 – He – Helium – Colorless and Odorless. 3 – Li – Lithium – Low Melting Point and Low Density. 4 – Be – Beryllium – High Thermal Conductivity and Non Magnetic.
7 0
3 years ago
Read 2 more answers
Other questions:
  • Question 16
    12·1 answer
  • Explain one medical reason why balanced diet may vary
    11·1 answer
  • Where is most of a healthy persons fat stored
    7·2 answers
  • What is overpopulation... In your own words?
    8·1 answer
  • I need help with physiology, how the brain perceived visual information? Fill in the blank
    11·1 answer
  • Sort the descriptions of open clusters and globular clusters into open clusters or globular clusters
    8·1 answer
  • Albinismisar are genetic condition that inhibits the production of melanin,or pigmentation,in the skin and hair. People born wit
    8·1 answer
  • Please help ASAP !! <br><br> punnet squares- biology
    9·1 answer
  • What surrounds a bacteria cell and allows a cell wall to escape predation by other cells?
    10·1 answer
  • How is an enzyme related to its substrate?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!