Which question is testable?

2 answers:

8 0

C & D are only part of the question and unsuitable, so it's either A or B, but I'd say it's more likely A~<span> How does changing the amount of water affect the growth of corn? </span>

Nuetrik [128]4 years ago

5 0

The correct answer is: A. How does changing the amount of water affect the growth of corn?

While options B, C & D are not impossible to test, option A is the only question that can be tested using quantitative methods, such as statistical analysis. The question in option A states: "How does changing the amount of water affect the growth of corn?". This question is easily testable using scientific investigation, because controlled or measured amounts of water can be added to corn, and the consequent growth rate of corn can be easily measured and recorded. However, the questions in options B, C & D cannot be precisely measured using quantitative tools, since they aim to measure qualitative (subjective) factors, such as: ethics, happiness and disappointment.

You might be interested in

Which of these cells of the dermal tissue of plants prevent water loss and control gas exchange?

irinina [24]

Answer:

Guard cells prevents this from happening

4 0

3 years ago

Read 2 more answers

Fossilized non-seed vascular plants from the ____________________ Period have been identified. a. Devonian c. Permian b. Cambria

Ipatiy [6.2K]

Fossilized non-seed vascular plants from the Devonian period have been identified.
<span>The Devonian is an early period and conformity of the Paleozoic Epoch forming from the edge of the Silurian Era.</span>

6 0

3 years ago

Normal cardiac rhythm is determined by which of the following?

Georgia [21]

<h2>-Hello There-</h2><h2 /><h2>The answer to your question "Normal cardiac rhythm is determined by which of the following?" is "SINOATRIAL NODE"</h2><h2 />

4 0

3 years ago

In certain cells, a transport protein moves one calcium ion out of the cell against its concentration gradient while allowing th

Alchen [17]

Answer:

The correct answer is option d. "secondary active transport by an antiporter".

Explanation:

The cotransport of calcium and sodium at which one calcium ion moves out of the cell and three sodium ions move into the cell is known as secondary active transport by an antiporter. It is secondary because it uses a form of energy different from ATP, is an active transport because the calcium ion moves against its gradient, and its done by an antiporter which is an integral membrane protein that function as a cotransporter.

5 0

3 years ago

Read 2 more answers

Which best describes the movement of DNA fragments during gel electrophoresis?

madam [21]

Answer: 4

Explanation: The smallest fragments travel the furthest distance through the gel plate because are able to move quickly through the gel.

7 0

3 years ago