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
marysya [2.9K]
3 years ago
11

HELP ASAP TIMED! PLEASE

Biology
1 answer:
timurjin [86]3 years ago
8 0

Hi!


The answers would be 1. (D) and 2. (B)


<h3>Explanation of Answer 1</h3>

Ice cores are in essence drilled cylinders that are acquired from glaciers or ice sheets. Ice sheets and glaciers are formed over many years as a result of deposits of snow layers. As these layers form, the lower layers become denser with each new layer, owing to pressure, and in the process it traps the air, which is preserved in the form of bubbles in the layer, therein preserving the composition of the air at a particular period of time. Scientists use ice cores to compare the atmospheric composition of previous years to those of recent years, and the gas mainly studied is carbon dioxide owing to its bringing about a climatic change.


<h3>Explanation of Answer 2</h3>

The Earth's orbit is caused by the gravitational attraction that is present between the Earth and the Sun, but changes due to the shape of the orbit (eccentricity), the wobble of the Earth about its axis (precession), and the axial tilt of the Earth (obliquity). These cause a change in the Earths orbit, which give rise to Milankovitch's cycles. Milankovitch's Cycles describes a revolutionary movement of the Earth around the Sun. These cycles are observed to be determinants of the climate of the Earth, in the regard of how much heat or energy the Earth is exposed to.


Hope this helps!

You might be interested in
Is a boy a gender<br><br>A.No<br><br>B.Yes<br><br>C.Rartard
neonofarm [45]

Answer:B.Yes

Explanation:

5 0
2 years ago
Read 2 more answers
Which animal has blue blood ??​
ValentinkaMS [17]

Answer:

spiders

Explanation:

While humans and many other species have red blood, due to the iron in their hemoglobin, other animals have different colored blood. Spiders(as well as horseshoe crabs and certain other arthropods) have blue blood due to the presence of copper-based hemocyanin in their blood. Some animals, such as the sea cucumbers, even have yellow blood.

8 0
2 years ago
Read 2 more answers
Would you expect to find food in the stomach of a fetal pig
Thepotemich [5.8K]
There should be nothing inside the fetal pig
8 0
3 years ago
I ONLY HAVE 10 MINUTES
Angelina_Jolie [31]

C. Forest fires

because it destroys habitat and ecosystems

there is also loss of wildlife.

7 0
3 years ago
Read 2 more answers
One reason native plants are declining is that the invasive plants absorb nitrogen from the soil about twice as fast (α = 2). Ho
Dmitry_Shevchenko [17]

Answer:

α = 0 if β= 0

Explanation:

If both species want to persist in the same environment and their niches are also over lapping then both of the co-efficient values should be equal. There are two possibilities on these values for persistence. One is that one should compromise to the change produced by the invasive specie and two is that the new specie should compromise if he wants to stay (<em><u>Assuming that there is no competition</u></em>). In this way their niches won't overlap to a greater extent and therefore better chances of survival for both.

3 0
3 years ago
Other questions:
  • How many species of baobab trees found in Africa
    15·1 answer
  • Sodium (Na) and potassium (K) are in the same group in the periodic table. Sodium is in the 11th position. How many valence elec
    11·2 answers
  • Because of the connection between greenhouse gases and climate change, there has been a concerted to reduce greenhouse gas emiss
    8·1 answer
  • In eukaryotic nuclei, DNA and proteins are packaged into organized cellular structures known as _______.
    10·2 answers
  • NEED HELP IMMEDIATELY PLEASE HELP WILL DO ANYTHING
    9·2 answers
  • The uniqueness of individual offspring for many animals and plants is the result of a process called _____. mitosis meiosis
    11·2 answers
  • What is atp in general
    9·1 answer
  • An otter breeder discovers several pups with pointy ears. She attempts to establish a bunch of pointy eared-otters by selling of
    15·1 answer
  • if a human has an extra copy of one pair of homologous chromosomes, how many chromosomes will she have in total?
    8·1 answer
  • Please help I need to pass this class
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!