Answer:
b. False
Explanation:
A scientific theory must have strong support from testable facts that are confirmed (or rejected) by observational and/or experimental procedures. The scientific method is a rigorous process that consists of arising a conjecture (hypothesis) which can be subsequently used to make predictions from its logical consequences, and finally to obtain information from empirical observations/experiments in order to obtain a conclusion about the veracity of the scientific claims (i.e., a hypothesis must be testable). In consequence, a scientific theory can not be based only on 'light' conjectures, but trustworthy observational data from the real world.
Ice core can tells various information regarding the atmosphere. It can reveal the temperature, precipitation, and other atmospheric conditions. Here in the image, the scientists can learn about the ocean surface temperature, i.e., option D.
<h3>What is an ice core?</h3>
Ice cores are ice-drilled cylinders made from ice sheets and glaciers.
They are capsules that are frozen and allow scientists to reconstruct climate far into the past.
It can be used to detect the ocean surface temperature.
Thus, the correct option is D.
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Answer:
(b) Oil floating on the surface of water can coat the feathers of birds and marine animals.
The movement of phosphorus from the environment to oraganism and back is called the Phosphorus cycle.
The repeated movement of a specific nutrient or element through one or more organisms and back to the environment is known as a "nutrient cycle."
Phosphorus is a crucial component for all living things. It contributes significantly to DNA and RNA's structural foundation.
They are a crucial part of ATP as well.
Phosphorus makes up 80% of the bones and teeth in humans.
The phosphorus cycle progresses very slowly. The phosphorus in the rocks is washed into the soil by a number of weather-related processes. The organic matter in the soil, which is used for numerous biological activities, absorbs phosphorus.
Since phosphorus and compounds containing phosphorus are only found on land, the atmosphere has little impact on the phosphorus cycle.
Following are the important steps of phosphorus cycle:
1.Weathering
2.Absorption by Plants
3.Absorption by Animals
4.Return to the Environment through Decomposition
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