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Phoenix [80]
2 years ago
12

What must be satisfied for a hypothesis to be useful?

Chemistry
2 answers:
kkurt [141]2 years ago
8 0
The answer is D. It must be testable
Alex_Xolod [135]2 years ago
5 0

Answer:

it must be testable I think that's the answer

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What is the temperature of water when baking soda and citric acid is mixed with it?
asambeis [7]

Answer:

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Explanation:

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4 0
2 years ago
1. Identify the type of ecosystem service being provided in each of the following
Wittaler [7]

The ecosystem services provided by the each of the given examples are as follows:

  • A cornfield in Kansas provides provisioning services.
  • Bacteria that decompose waste along the Gulf Coast provides regulating services.
  • Ocean currents that keep Pacific Northwest air cool and moist provides regulating services.
  • Flower garden at a national landmark provides cultural services.
  • Lumber from an oak tree provides provisioning services.
  • Animals that eat seeds and then spread the seeds through their waste regulating services.

<h3>Ecosystem services</h3>

Ecosystem services are defined as the benefits derived by man from the surroundings ecosystems.

<h3>Categories of ecosystem services</h3>

The four categories of ecosystem services are:

  • regulating services,
  • provisioning services,
  • cultural services, and
  • supporting services

A cornfield in Kansas provides provisioning services.

Bacteria that decompose waste along the Gulf Coast provides regulating services.

Ocean currents that keep Pacific Northwest air cool and moist provides regulating services.

Flower garden at a national landmark provides cultural services.

Lumber from an oak tree provides provisioning services.

Animals that eat seeds and then spread the seeds through their waste regulating services.

Learn more about ecosystem services at: brainly.com/question/2191258

7 0
2 years ago
Which of the following is a heterogeneous mixture? [1] Cola [2] Brass Air Coffee with sugar stirred in [5] [3] Soil
Readme [11.4K]

Answer:

Soil is heterogeneous mixture of sand particles of different sizes, shape and of different compositions.

Explanation:

Homogeneous mixtures are defined as the mixtures in which components are evenly spread throughout the solution. The size and shape of the particles are similar in these mixtures.

For example : alloys, salt solution.

Heterogeneous mixtures are defined as the mixtures in which component are unevenly spread throughout the solution. The size and shape of the particles differ in these mixtures.

For example : sand in a water, soil etc.

Brass is an alloy homogeneous mixture of metals.

Air is a homogeneous mixture of gases.

Coffee with sugar stirred in is also homogeneous mixture.

Soil is a heterogeneous mixture of sand particles of different sizes, shape and of different compositions.

4 0
2 years ago
Match the numbers and alphabets.
lana66690 [7]
1 C
2 A
3 D
4 F
5 E
6 B

These are the answers
4 0
2 years ago
What is described by the amount of energy required to change a gram of a liquid to a gas at the
ehidna [41]

Answer:

Heat of vaporization.

Explanation:

the amount of energy needed to change the specific amount or gram of liquid in to gas phase is called heat of vaporization.

In this liquid is converted into gas phase as because after the boiling point addition of more energy will cause breakage of bonds present in between the liquid molecules which results in the vaporization of liquid.

3 0
3 years ago
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