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
MA_775_DIABLO [31]
3 years ago
11

The mass extinctions that occurred 250 million years ago and 65 million years ago may have been due to gradual processes or ____

_.
A.)a large comet or asteroid striking Earth

B.)widespread reproductive isolation

C.)lightning strikes

D.)rapid continental drift
Biology
1 answer:
MatroZZZ [7]3 years ago
3 0
A:a large comet or asteroid striking earth
You might be interested in
What does a centromere hold together?
Rudiy27

Answer:

Structure in a chromosome that holds together the two chromatids

Explanation:

8 0
3 years ago
Carbon dioxide is added to the atmosphere:
devlian [24]
B.
When fossil fuels are burned carbon dioxide is released in to the atmosphere
hope this helps
8 0
3 years ago
Read 2 more answers
O
NeX [460]

so what's the question here??

8 0
3 years ago
What are some benefits from high biodiversity in natural habitats?
kkurt [141]
Greater ability to recover after natural disasters and greater variety of food sources.
3 0
2 years ago
A plant's stomata allow it to .
Solnce55 [7]
Plants stomata allow it to transpire and is also a mechanism used to 'suction' or 'pull' the water through the xylem
6 0
3 years ago
Read 2 more answers
Other questions:
  • Different between dicotyledons and monocotyledons​
    15·1 answer
  • Neurotransmitter systems are particularly associated with (a) depression, (b) anxiety, (c) pain, and (d) addiction?
    14·1 answer
  • Which Punnett square allows for the possibility that Tom and Alice's children have attached earlobes?
    5·1 answer
  • The lithosphere is a rigid layer made of Earth's entire crust and the very top part of Earth's mantle. This rigid layer is divid
    8·2 answers
  • What type of bond is responsible for binding water molecules to other water molecules?
    6·2 answers
  • Pasteur used tipped and untipped sterilized S-shaped flaks of broth in an attempt to​
    12·1 answer
  • Why is a diet of only carbohydrates insufficient for long term survival?
    8·2 answers
  • What allows humans to see color when formed correctly?
    6·1 answer
  • As the territory of Africanized bees continues to expand, what is the most likely outcome?
    6·1 answer
  • Would an Egyptian pyramid that is 4500 years old be considered a fossil?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!