The Isotope of Osmium with the Symbol ${ }_{75}^{190} \mathrm{~Os}$ Has How Many Protons?
A)75
B)190
C)115
D)None of the Has

question 120

Multiple Choice

The isotope of osmium with the symbol ${ }_{75}^{190} \mathrm{~Os}$ has how many protons?

• A)75
• B)190
• C)115
• D)None of the above.

Identify the steps to prepare for and address audience expectations and preferences in communication.

Acknowledge the challenges and strategies when communicating with skeptical or resistant audiences.

Understand the mechanisms of binary fission in prokaryotic cells.

Identify and describe the key events of cell division phases (mitosis and cytokinesis) in eukaryotic cells.

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Definitions:

Humus Material

Organic component of soil, formed by the decomposition of leaves and other plant material by soil microorganisms.

Drought-Resistant

Traits in plants that enable them to survive with minimal water.

Species

A group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding, forming the basic category in biological classification.

Groundwater

Subsurface water occupying the saturation zone of soils and rocks, acting as a critical source of drinking water and agricultural irrigation.