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2 years ago

What type of tree has thin, waxy needles that drop throughout the year and help to retain water?

Chemistry

1 answer:

grin007 [14]2 years ago

4 0

Only coniferous trees have thin, waxy, needle-like leaves that drop throughout the year and help to retain water.

<h3>What are coniferous trees?</h3>

Coniferous trees are evergreen trees that produce cones.

In addition, they produce waxy and needle-like leaves that help them conserve water by limiting the evapotranspiration rate as a result of reduced surface area.

Examples of conifers include pine trees and spruces.

More on conifers can be found here: brainly.com/question/23222416

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An organism contains chloroplasts in its cells which allows it to make its own food. What Kingdom is it in?

Alina [70]

Answer:

Plantae. Plants are multicellular and most don't move, although gametes of some plants move using cilia or flagella. Organelles including nucleus, chloroplasts are present, and cell walls are present. Nutrients are acquired by photosynthesis (they all require sunlight).

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3 years ago

What is T1 in Kelvin? 0 26K 178K 299K 451K

Zinaida [17]

The answer is C. 299k

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3 years ago

Read 2 more answers

When the pressure on 2.5 liters of oxygen is decreased from 2.0 atm to 1.0 atm, the volume of the gas

uranmaximum [27]

Answer:

volume of the gas is 5.0L

Explanation:

Using Boyle's law that state the pressure of a gas is inversely proportional to volume of it occupies when temperature is constant, it is possible to write:

P₁V₁ = P₂V₂

Where P is pressure, V is volume and 1 and 2 are initial and final states.

If initial volume is 2.5L, initial pressure is 2.0atm and 1.0atm is final pressure, final volume is:

2.0atm*2.5L = 1atm V₂

5.0L = V₂

Thus, volume of the gas is 5.0L.

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3 years ago

Which compound is classified as a hydrocarbon? A) butanal B) butyne C) 2-butanol D) 2-butanone

fenix001 [56]

Answer:

butyne

Explanation:

alkane, alkene, and alkyne are all examples of hydrocarbons.

butyne = alkyne

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3 years ago

Select the molecule where free rotation around one or more bonds is not possible. Group of answer choices N2H4 C2Cl4 NH3 C2H6 CC

Alexandra [31]

Answer:

C₂Cl₄

Explanation:

To know if free rotation around a bond in a compound is possible, we need to see the structure of the compound (picture in attachment).

In single bonds, which are formed by σ bonds, the atoms are not fixed in a single position, and free rotation is permitted.

Double and triple bonds are formed by a σ bond and one or two π bonds, respectively. These bonds do not allow rotation, since it is not possible to twist the ends without breaking the π bond.

The chloroethylene (C₂Cl₄) has two carbons with an sp2-sp2 hybridization, they are bonded together by a double bond. Free rotation on this bond is not possible, because six atoms, including the carbon atoms, doubly bonded and the four chlorine atoms bonded to them, must be on the same plane.

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2 years ago