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
Nina [5.8K]
2 years ago
14

2. David is growing algae in a closed bottle for an experiment. The bottle is half full of water and half full of air. David flo

ats the bottle in a pond for three weeks. At the end of the three weeks, David notices that lots of algae grew, but the bottle did not
sink lower in the pond.

Why didn't the bottle of algae get heavier during the experiment?


A. Tiny animals in the bottle ate the growing algae.

B. The sides of the bottle got lighter as the plastic degraded.

C. The bottle has a leak, which made it lose water to the pond.

D. The growth of the algae came from the air and water in the bottle.
Biology
2 answers:
Ipatiy [6.2K]2 years ago
5 0

Answer:

The answer Is D

Explanation:

The growth of the algae came from the air and water in the bottle.

Viktor [21]2 years ago
3 0
For this one it would be B because
You might be interested in
Wildfires are _____.
Rufina [12.5K]

Answer:

C

Explanation:

I think it is C I hope this helps!

4 0
3 years ago
______ tissue is part of rigid body structures, such as bone and cartilage.
Lera25 [3.4K]
The answer for this is Connective
3 0
3 years ago
What are some things a cell would need to take in to carry out it’s life processes in order to maintain homeostasis
Korolek [52]

Answer:

In order to establish and maintain their complex organization and structure, organisms must obtain, transform, and transport matter and energy, eliminate waste products, and coordinate their internal activities. Cells take highly varied forms in different plants, animals, and microorganisms.

Explanation:

4 0
3 years ago
Can someone help me with this earth science hw
damaskus [11]

Answer:

A. 100mm=0.1m

B. 50kg=50000g

C. 287ml=0.287l

D. 2.3km=2300m

Explanation:

6 0
3 years ago
Read 2 more answers
Riding bikes and conserving electricity are ..........activities to the environment
EleoNora [17]
Do you have a word bank? or anything to choose from?
7 0
2 years ago
Other questions:
  • Which best explains how the collisions of materials in space contribute to the formation of layers in protoplanets? The material
    10·2 answers
  • What is the term for the protective wall that helps bacteria survive unfavorable conditions? endospore sporangia aerobic wall bo
    5·2 answers
  • This is the type of growth experienced by a population that increases at a rate proportional to its size. The larger the populat
    15·2 answers
  • Which organisms capture atmospheric nitrogen for the process of nitrogen fixation?
    9·1 answer
  • Amy uses a microscope to look at some muscle cells.
    14·2 answers
  • When you stub your toe, you first feel a quick, sharp pain transmitted by _______, and then a moment later, a dull, throbbing pa
    11·1 answer
  • Studies have been conducted on synthetic products
    14·1 answer
  • What are spores and would they be located on the fruiting body
    5·2 answers
  • Please help meeee asap
    9·1 answer
  • 2. How did early Americans consume apples? When and why did that change? How were
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!