Select the correct answer. Gina has dispersed some pollutants in moving water to break them into harmless components. Which environmental remediation method is Gina using? A. Pump and treat B. Natural attenuation C. Air sparging D

Answers 1

Answer:

B : natural attenuation

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Other related questions that may help you

Select the correct answer. Which device controls the emission of harmful gases from a car? A. Wet scrubber B. Catalytic converter C. Cyclone device D. Baghouse filter

Answer:

option (b) catalytic converter

Explanation:

Catalytic converter acts as the main emission control unit in a vehicle and it traps the most harmful gases and converts them into nitrogen, water and carbon dioxide.

Select the correct text in the passage. Which three sentences describe how a cyclone device works? This device removes particulates from the air by making a dirty air stream flow in a spiral path inside a cylindrical chamber. It consists of several long and narrow fabric filter bags suspended upside-down in a large enclosure. When dirty air enters the chamber, the particulates strike the chamber wall and fall into a conical dust hopper at the bottom. Fans blow dirt-filled air upward from the bottom of the enclosure, trapping dirt particles inside the filter bags. The top of the chamber has an outlet that lets out the cleaned air

Answer:

This device removes particulates from the air by making a dirty air stream flow in a spiral path inside a cylindrical chamber. It consists of several long and narrow fabric filter bags suspended upside-down in a large enclosure. When dirty air enters the chamber, the particulates strike the chamber wall and fall into a conical dust hopper at the bottom. Fans blow dirt-filled air upward from the bottom of the enclosure, trapping dirt particles inside the filter bags. The top of the chamber has an outlet that lets out the cleaned air

Read the sentence. The child next to the slides is waiting for her brother. What is the function of "next to the slides" the sentence? 1. Prepositional phrase 2. Adjective phrase 3. Adverb phrase 4. Noun phrase

Answer:

Adverb Phase

Explanation:

Reena purchased 3 1/2 kg apples and 4 3⁄4 kg oranges. What is the total weight of the fruits purchased by her ?

Total weight of fruits purchased by Reena = weight of apples + weight of oranges

= 3 1/2 kg + 4 3/4 kg

= 7/2 kg + 19/4 kg

= (14 + 19)/4

= 33/4 kg

= 8 1/4 kg

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