Researchers have been studying how emissions from both volcanoes and human activities, such as the burning of fossil fuels, impact the atmosphere. Both types of emissions contribute to the total CO2 levels in the atmosphere. Graph 2 shows that atmospheric CO2 levels have been steadily increasing over time. This increase in CO2 levels has been linked to the increase in global surface temperatures.

Explain why the total mass of carbon must be decreasing in a different step of the slow carbon cycle based on the on the increase in atmospheric CO2.

Answer:

just look at the graph it literally tells you the answer

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Summarize Darwin's theory of natural selection using the Galapagos tortoises or finches as an example.

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Does anyone know anything about rabbits?

Infer in 2004, a fossil of an organism that had fins and gills, but also lungs and wrists, was discovered. What might this fossil suggest about evolution?

Electricity is defined as
A flow air
B flowing atoms
C flow of electrons
D flow of water

Which choice is involved in both sexual and asexual reproduction?


spores


eggs


sperm


seeds

Are there any more endangered animals who are experiencing a bottleneck effect. I read an article and I had this question in mind.

In which direction is the moon revolving around the Earth?

Scientists studied the evolution of horses. They concluded that horses evolved with the emergence of grasslands and an increase of predators. The digits of their early Eocene ancestor evolved into hooves. The diet changed from foliage to grasses. The molar teeth developed and became stronger. Which statements are supported by this evidence?
The digits of the horses’ feet underwent modifications, enabling them to run faster from predators.
The molars of the horses underwent changes so they could chew meat.
The emergence of grasslands over time led to the development of strong molar teeth in horses.
The digits were modified to enable the horses to graze better on hard, rocky surfaces.
Molars became bigger to fit into the jaw structure of modern horses.


You have to pick two

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Our Earth includes a variety of precious natural resources that include sunlight, water, fossil fuels, and forests. Some resources are stored in different forms, which can be processed to obtain useful products, such as petroleum, minerals, or metals. In terms of energy resources, there are two types of natural resources that are used to generate energy: renewable resources, such as water, sunlight, and wind; and nonrenewable resources, such as such as coal, natural gas, or crude oil. The nonrenewable energy sources are widely used around the world. When fossil fuels are burned for energy, carbon dioxide (CO2) is released into the environment. Carbon dioxide is one of the greenhouse gases in the atmosphere that helps to keep the planet warm, as it traps the radiation coming from the Sun. Too much carbon dioxide in the atmosphere can retain high amounts of thermal energy and cause the temperature to rise, which can have devastating effects on the environment. In the last century, the level of atmospheric carbon has increased at an alarming rate.


The graph shows the increase in the concentration of carbon dioxide in the atmosphere since 1900.


QUESTION: Before the eighteenth century, coal was used by humans in many places on Earth for cooking and heating. In the eighteenth century, after the industrial revolution began, fossil fuels like coal were increasingly used to generate power and energy. Today, many manufacturers and nearly all forms of modern transportation depend on these fossil fuels. What effect has this human dependence on fossil fuels had on the world's climate? How has technology contributed to this effect?

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The pictures show the Arctic ice cap in 1979 and 2003.
Do the pictures provide evidence for global warming? Explain.

First-person to answer with an explanation get brainliest
A student is comparing the organelles found in the cells of a milkweed plant and in the
cells of a butterfly, using the Venn diagram shown below.

Where should the student place the terms “chloroplasts” and “mitochondria”?

Help please! Thank you! 2o points!

Help 15 points

What 2 major air masses lead to the tornadoes in Tornado Alley?

HELP help HELP help HELP help

help me please put the names of the planets in increasing order based on their distance from the Sun.

PLEASE HELP 20 POINTS
Describe some of the main geologic events occurring during the Mesozoic era. This would include formation of mountains, opening of oceans, crunching continents, volcanic activity, major deposition of sediments, major structures eroded, etc:

Can someone plz answer the two questions below plz and thank you!!!

Focus your answer on what causes a genetic disorder (be specific) and what happens from there. Use the terms below in your answer.

protein nucleus chromosome ribosome gene hemoglobin

Study the table about Earth’s interior.

A 4 column table with 5 rows. First column is unlabeled with entries: Crust, uppercase mantle, Lower mantle, Outer core, Inner core. Second column is labeled Thickness in kilometers with entries: 30, 720, 2,171, 2,259, 1,221. Third column is labeled Density in grams per centimeters cubed, divided into Top and Bottom columns. Top entries are: 2.2, 3.4, 4.4, 9.9, 12.8. Bottom entries are 2.9, 4.4, 5.6, 12.2, 13.1. Fourth column is labeled Types of Rock Found with entries: Silicic rocks, Peridotite, Magnesium and silicon oxides, Iron plus oxygen, Iron plus oxygen.

Which conclusion is supported by information in the table?

The mantle is thinner than the crust.
The core is the thickest of Earth’s layers.
The inner core is thicker than the outer core.
The mantle is the thinnest of Earth’s layers.

what is this planet
Distance from Sun- 0.72 AU 9.54 AU
Planet composition- rocky mantle, iron core hydrogen, helium
Gases in atmosphere-very dense atmosphere that is 96.5% poisonous carbon dioxide and 3.5% nitrogen mostly hydrogen and helium
Number of moons -0 62
Rings- no rings

_________ are the four largest satellites that orbit Jupiter

Plz...Help...Only Part B


Baxter is thinking about buying a car for $18,500. The table below shows the projected value of two different cars for three years.


Part B: Write one function for each car to describe the value of the car f(x), in dollars, after x years. (4 points)

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How do earthquakes impact ecosystems?



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Although male and female reproductive structures differ from one another in many ways, they carry out some of the same functions. Which of the following is a main function of both male and female reproductive systems?

In the boxes below, fill in the appropriate neuron parts, structures, or functions.

Which is an example of trace fossils?
A. an insect getting stuck in a tree sap that hardened
B. sediment hardening around a trilobite
C. footprints from a dinosaur in mud that hardened
D. minerals replacing tissue in wood and hardening

What best explains the graph shown below?

A. Temperature is dropping because greenhouse gases are high and increasing


B. Temperatures are dropping because greenhouse gases are high and constant


C. Temperatures are dropping because greenhouse gases are low and constant.


D. Temperatures are dropping because greenhouse gases are low and decreasing.