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
stepan [7]
3 years ago
8

4. How successful was Biosphere2?​

Biology
1 answer:
Alex Ar [27]3 years ago
7 0
Biosphere 2 was a tremendous success, Many people don't realize that hundreds of papers were written about it.
You might be interested in
Animals cell cannot collect energy from the sun and make sugar because the do not have
Murrr4er [49]
Chlorophyll are the organelles unique to plant cells. The chlorophyll are responsible for producing glucose by using the suns energy and water.
7 0
3 years ago
Which of the following statements is CORRECT?a. A hypothesis that does not generate a testable prediction is not useful.b. Commo
Fofino [41]

Answer:

a. A hypothesis that does not generate a testable prediction is not useful.

Explanation:

In the scientific method, we generate a hypothesis to explain a phenomenon. After this, it is necessary to create a method to test the hypothesis and make predictions. Moving forward, we test this methodology, generating results and reject or not reject the hypothesis. If the hypothesis can't be tested, the scientific method can't be applied.

4 0
3 years ago
The body uses two types of amino acids: essential and nonessential. Which of the following statements about essential and noness
zlopas [31]

Answer:There are 11 nonessential amino acids.

Explanation:amino acids are monomers of proteins.proteins are made up of carbon,hydrogen, oxygen and nitrogen.there are 20 amino acids found in proteins.

Plants cam produce all the amino acids they need but animals cannot.

Essential amino acids are those that animals cannot produce by themselves and so need to obtain from their diet.there are 9 in numbers.

Non-essential amino acids are produced by the animals.they are not necessarily non-essential as the name indicates.they are 11 in numbers.

7 0
3 years ago
1. Neutrons are found __________ and have ___________ charge.
NNADVOKAT [17]
<span>1. Neutrons are found __________ and have ___________ charge.

in the nucleus; neutral

Question 2. Which of the following particles has a positive charge?

proton


Question 3. Which of the following particles has a negative charge?

electron


Question 4.In which state of matter do the particles move somewhat freely but still not enough to fill the entire space of a container?

liquid


Question 5.In which state of matter are the particles the LEAST attracted to each other?

gas

I am 100% sure of these answers. Have a nice day.</span>
8 0
3 years ago
In which era did human history begin?
Svetllana [295]

Answer:

Prehistoric

Explanation:

The Prehistoric Period—or when there was human life before records documented human activity—roughly dates from 2.5 million years ago to 1,200 B.C. It is generally categorized in three archaeological periods: the Stone Age, Bronze Age and Iron Age.

7 0
3 years ago
Other questions:
  • You know that this cell is in a(n) _____ solution because it _____. A cell in a solution. There are much more particles outside
    12·1 answer
  • The __________ molecule is known as the universal energy source of the cell.
    10·2 answers
  • An 8-year-old with diabetes is placed on an intermediate acting insulin and regular insulin before breakfast and before dinner.
    9·1 answer
  • Which of the following best explains the flow of energy in this food web? Mushrooms → Snake → Squirrel → Plants Grasshoppers → S
    14·2 answers
  • The ability of your body to maintain internal conditions such as temperature is...what?
    10·1 answer
  • 3. Enzymes, which influence chemical reactions, are complex types of:*
    7·1 answer
  • Which is a structure that directs the cell's activities? nucleus Golgi apparatus ribosome mitochondrion
    11·2 answers
  • What elements do sugars and amino acids have in common?
    9·1 answer
  • 1. John observed bacteria at 100X under the oil immersion and then decided to go back to 40X
    15·1 answer
  • Which is the least specific group? *<br> A. Order<br> B. Class<br> C. Kingdom
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!