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IRISSAK [1]
3 years ago
10

How did an asteroid kill the dinosaurs​

Biology
2 answers:
Agata [3.3K]3 years ago
7 0
The ash from the impact blocked the sun and they froze to death
sergejj [24]3 years ago
6 0

Answer:

This impact made a huge explosion and a crater about 180 km (roughly 110 miles) across. Debris from the explosion was thrown into the atmosphere, severely altering the climate, and leading to the extinction of roughly 3/4 of species that existed at that time, including the dinosaurs. Many asteroids of this type are now known; their orbits pass through the inner solar system and cross Earth's orbit. Some of these could potentially hit Earth in the future. Most, but not all are smaller than the one that hit us 65 million years ago.

Explanation:

You might be interested in
Is an arthropoda multicellular or unicellular?
son4ous [18]
They are multicellular
3 0
3 years ago
Natural Bridge Cavern was formed by water that seeped into the soft limestone in central Texas. What is this process called?
Mamont248 [21]

Answer:

Chemical weathering

Explanation:

Chemical weathering is the process when rain chemicals react with rocks and minerals. In this process, the rocks are weakened. This chemical happening provokes the chemical reaction in the rock or in the mineral.

Chemical weathering is a spontaneous process and it leads to a more stable state for natural materials under a given set of conditions.

7 0
2 years ago
3. which animal is the carnivore or secondary consumer
Y_Kistochka [10]

Answer:

it is the fox. b.

Explanation:

4 0
3 years ago
Alternation of generation
Nastasia [14]

Answer:

The answer to this question is given below in this explanation section.

Explanation:

                    "Alternation of generation"

Alternation of generations is the type of life cycle that occurs in those plant  and algae in the archaeologist and the heterokontophyta that have distinct haploid sexual and diploid asexual stages.In these groups a multicellular haploid gametophyte with n chromosomes alternates with a multicellular diploid sporophyte with 2n chromosomes made up of n pairs.A mature sporophyte produces haploid spores by meiosis a process which reduces the number of chromosomes to half from 2n to n.

Two haploid spores germinate and grow into a haploid gametophyte.At maturity ,the gametophyte produces gametes by mitosis which does not alter the number of chromosomes.Two gametes from different organism of the same species fuse to diploid zygote,which develop into a diploid sporophyte . This cycle from gametophyte to sporophyte in the way in which all land plant and many algae undergo sexual reproduction.

8 0
3 years ago
(protein)?
belka [17]

Answer:

Since, the original DNA sequence has not been provided, the mutation can be an insertion/deletion or a frameshift mutation.

  1. Mutated DNA
  2. Frameshift mutation/ insertion or deletion
  3. All the amino acids  changed after the  point mutation​

Explanation:

Frameshift Mutation:

  • A frameshift mutation is the alteration in the reading frame of the DNA due to the addition/deletion of one or two nucleotides.
  • This type of mutation moves the mRNA sequence one or two bases forwards or backwards which disrupts the three base codons sequence required for translation into proteins.
  • The CT at the end of the sequence is indicative of a frameshift in the DNA reading frame.
  • Frameshift mutation affect all amino acids in a polypeptide chain as all codons are moved one or two steps forwards or backwards.
6 0
3 years ago
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