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
Jobisdone [24]
3 years ago
7

What is a major challenge of current space exploration?

Biology
2 answers:
neonofarm [45]3 years ago
8 0

Answer:

B) Setting a clear goal for the future.

Explanation:

At this point in time, the future of space exploration is unclear. NASA is debating whether we should return to the Moon, or press on to Mars. (although it seems more likely that we will go to Mars some time in the future.)

(I took the quiz, and it was right.)

lord [1]3 years ago
7 0
<span><u>B. setting a clear goal for the future </u></span>
You might be interested in
The process of causing air to flow in or out of the chest by expansion and contraction of the chest muscles
dsp73

Answer:

Breathing

Explanation:

5 0
4 years ago
cade made this diagram to explain our bodies sense sound. Which sentence could be added to explain the last arrow
vodomira [7]

Answer:

the answer is d

Explanation:

5 0
3 years ago
What are enzymes
solniwko [45]
Answer: 2
explanation: enzymes are known as proteins used to break down proteins and other macromolecules during digestion
4 0
3 years ago
Read 2 more answers
What is a person who studies weather patterns in a attempt to predict weatger
artcher [175]

Answer:

A person who uses scientific methods to study, observe or forecast atmospheric patterns and weather events is known as a meteorologist.

Explanation:

3 0
3 years ago
Read 2 more answers
Lungs in humans and many other species branch out into many tubes until they end in small sacks called alveoli. These alveoli al
Lorico [155]

Answer:

It provides more surface area for the absorption of oxygen.

Explanation:

The advantage of lungs with alveoli compared to lungs without alveoli is the availability of large surface area for the oxygen absorption. Alveoli allows oxygen from the air to pass into your blood. There are 480 million alveoli are present in human lungs, this large number and small size of alveoli provides lungs a large surface area to volume ratio so we can conclude that the lungs work better with the help of alveoli as instead of lungs without alveoli.

3 0
3 years ago
Other questions:
  • In one to two sentences, evaluate why some scientists think the winter weather near the Western European coast might change in t
    15·1 answer
  • What happens when a scientific theory is shown to be an accurate description of a phenomenon?
    14·2 answers
  • Anna clips has two focal points one of the focal points is the___
    6·2 answers
  • A large population of deer lives in the forest. Wolves kill and eat the deer as a primary food source. Which of the following wo
    13·1 answer
  • Which diagram represents the type of asexual reproduction known as regeneration?
    9·2 answers
  • Which of these is a part of cryosphere
    5·2 answers
  • Why do telescopes on Earth analyze radio waves, ultraviolet waves, and<br> visible light waves?
    13·2 answers
  • Permeability coefficients measure the speed of passage of various molecules across lipid bilayers. Small nonpolar molecules and
    7·2 answers
  • Question 13 (5 points)<br> What characteristics do all of the outer planers share?
    15·1 answer
  • Explain the importance of the surface area to volume of ratio
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!