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Natali [406]
3 years ago
15

How have atmospheric carbon levels changed?

Biology
1 answer:
Mandarinka [93]3 years ago
4 0

Answer:

Climate Change: Atmospheric Carbon Dioxide. The global average atmospheric carbon dioxide in 2018 was 407.4 parts per million (ppm for short), with a range of uncertainty of plus or minus 0.1 ppm. ... Carbon dioxide concentrations are rising mostly because of the fossil fuels that people are burning for energy.

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Pure liquid water has pH of 7 which means that water is
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Answer: neutral

Explanation: The range goes from 0 to 14, with 7 being neutral. pHs of less than 7 indicate acidity, whereas a pH of greater than 7 indicates a base. pH is really a measure of the relative amount of free hydrogen and hydroxyl ions in the water.

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A researcher determines an organism to be eukaryotic, unicellular, and autotrophic. In which taxonomic group should this organis
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According to the characteristics of this organism, it is classified into the Protist kingdom, which brings together unicellular or simple multicellular organisms that do not form tissues, both autotrophic and heterotrophic.

<h3>What is the kingdom protista?</h3>

It includes eukaryote-type organisms that, due to their characteristics, cannot be included in the rest of the kingdoms of this class.

Although most protists are unicellular, there are also multicellular protists and they can have autotrophic or heterotrophic metabolisms.

Therefore, we can conclude that the protist kingdom groups living beings that have cells belonging to the eukaryote group.

Learn more about Protist kingdom here: brainly.com/question/26845151

5 0
2 years ago
The cell cycle represents the coordinated sequence of events in the life of a cell from its formation to its division into two d
Fofino [41]

Answer:

<h2>Interphase : divided into three phases, i) G1 phase, ii) S phase and iii) G2 phase.</h2><h2>Mitotic phase: i) prophase, ii) metaphase, iii) anaphase and v) telophase.</h2>

Explanation:

interphase : divided into three phases, i) G1 phase, ii) S phase and iii) G2 phase.

G1 phase: cell decide whether to divide or not and prepare itself for replication of DNA and arrange replication machinery.  otherwise it goes to G 0 phase.

S phase: DNA replication occurs in this phase.

G2 phase: cell duplicates all their contents and prepares for mitotic phase.

Mitotic phase:

i) prophase- chromosome condensation occurs,

ii) metaphase - chromosome arranges in meta-plate and spindle binds to each chromosomes  at centromere.

iii) anaphase- chromosome separates from sister chromatids.

iv) telophase- chromosome moves to each ends and formation of nuclear membrane begins.

cytokinesis:  there is division of cytoplasm and forming two daughter cells.

8 0
4 years ago
Which of these is an example of infill?
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Answer:

what are the examples???

Explanation:

..

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{\boxed{\boxed{\tt { Blood / Pressure}}}} \

The force that blood exerts against the wall of a vessel is called <u>blood </u><u>pressure</u><u>.</u>

Class 10 - NCERT Book - definition.

\huge\blue{ \mid{ \underline{ \overline{ \tt ꧁❣ ʀᴀɪɴʙᴏᴡˢᵃˡᵗ2²2² ࿐ }} \mid}}

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