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dlinn [17]
3 years ago
8

How did plants change the earth 2 billion years ago?

Geography
2 answers:
Maurinko [17]3 years ago
8 0

Answer:

they created oxygen for living species

Serga [27]3 years ago
7 0

<u>Answer:</u>

1. The plants released oxygen in the Earth's atmosphere. This reduced the harshness of sunlight and made Earth ideal for life.

2. The plants use sunlight and carbon dioxide for the process called photosynthesis. Photosynthesis produced oxygen which was released in the air by the plants.

3. The sunlight made the Earth very hot. This newly formed oxygen helped in shielding the Earth from the sunlight.

4. This helped in cooling the Earth and produced an environment which made it possible for other life forms to develop.

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How are radioactive isotopes used to determine the absolute age of igneous rock
Sonbull [250]

Answer:

Radioactive isotopes are unstable and will decay. ... The isotopes will decay into a stable isotope over time. Scientists can tell how old the rock was from looking at the radioactive isotope's half-life, which tells them how long it would take for there to be half the radioactive isotope and half the stable isotope.

5 0
2 years ago
How far is alberta from vancouver canada?
Gnesinka [82]
The difference between alberta and vancouver is 690 kilometers
8 0
3 years ago
what occurs during the process of group development and What factors contribute to the facilitation of group development
aleksandrvk [35]

Answer and Explanation:

Bruce Tuckman's forming, storming, norming, and performing model portrays the phases that fill in as an accommodating apparatus in understanding the procedure of improvement of a gathering. The model clarifies how a group creates after some time and every one of the stages are considered as fundamental variables which are basic for the advancement of a gathering. As needs be, Group improvement is set apart by the accompanying stages:

Forming and mutual acceptance :

Common acknowledgment is the main stage in a gathering's improvement where the emphasis is on the relational relations among the individuals. Normally, Members evaluate each other with respect to reliability, passionate solace, and acknowledgment and resolve their underlying clashes over power and expert so as to go to a basic leadership process.

Storming and decision making :

Arranging and basic leadership happen during the second phase of a gathering's advancement. this is the arranging stage that incorporates characterizing the errands and how to achieve them-who will be pioneers and by what means will individuals impart and organize with one another over an assignment?

Motivation and contentment :

In the third phase of advancement, the Members' consideration is coordinated to self-inspiration and the inspiration of other gathering individuals for the achievement of the changed assignments. The accentuation is on execution and accomplishment, by addressing and nudging too through help and sharing of work.

Performing :

This is the last phase of improvement wherein a gathering has turned into a developed, compelling, effective and beneficial unit. The gathering is said to have built up express and verifiable standards for the individuals, has portrayed a hierarchy of leadership and every one of the gathering individuals get their specific novel commitments the type of a point of view, an expertise, or an asset to the group.

6 0
3 years ago
Most of Sub- Saharan Africa is
Usimov [2.4K]

Answer:

The best answer is mountains and valleys

Explanation:

first option doesn't seem correct because it doesn't have one giant plateau. Instead it is multiple. so that option is incorrect.

second option is incorrect because there really is no evidence about plains and hills.

third option is incorrect for the same reason as second option.

The Fourth option is correct because Sub-saharan contains mountain ranges and multiple rift valleys.

(have a nice day and soon merry christmas or happy Hanukkah)

6 0
3 years ago
Humans have used the Ganges River, located in India, for all of the following except __________.
Dahasolnce [82]
The answer is D. The Ganges is too polluted (bathing, burial, travel) to actually drink from. The Indians think of the Ganges of a religious river, therefore scattering the ashes of their dead ones and bathing the worshippers in the water. 

IF this helped, please rate, thank, and give brainliest answer!
6 0
3 years ago
Read 2 more answers
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