If a cell is placed in salt water, water leaves the cell by _____. A. Osmosis
B. Diffusion
C. Active transport
D. Phagocytosis

Answers

Answer 1

Answer: The correct answer to fill the blank in the sentence is A. If a cell is placed in salt water, water leaves the cell by osmosis. It is the spontaneous movement of solvent molecules in a semi-permeable membrane from a higher concentration to lower concentration to achieve equilibrium.

Answer 2

Answer:

Final answer:

Water leaves the cell by osmosis when placed in salt water.

Explanation:

When a cell is placed in salt water, water leaves the cell by osmosis. Osmosis is the movement of water molecules across a semi-permeable membrane from an area of lower solute concentration to an area of higher solute concentration.

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The _______ is the total number of organisms that an ecosystem can support.a. tolerance range
b. carrying capacity
c. competitive exclusion principle
d. population

Answers

Answer;

B. Carrying capacity

Explanation;

-The carrying capacity in a biological ecosystem is the maximum population size of the species that the environment can sustain indefinitely, given the food, habitat, water, and other necessities available in the environment. This is without degrading the natural social, cultural and economic environment for present and future generations.

B. Carrying capacity

Which set of procedures and observations indicates a chemical change?(1) Ethanol is added to an empty beaker and the ethanol eventually disappears.
(2) A solid is gently heated in a crucible and the solid slowly turns to liquid.
(3) Large crystals are crushed with a mortar and pestle and become powder.
(4) A cool, shiny metal is added to water in a beaker and rapid bubbling occurs.

Answers

Option 4 seems to be the one undergoing a chemical change because there is a formation gas from the bubbling that occurs. Chemical change is the change that results to the formation of a new substance. The other options given are examples of physical change.

Lawrence is testing how quickly water with baking soda freezes. He adds water with baking soda to one ice tray and plain water to another ice tray. He places each tray in the freezer and records the time when each one starts to freeze. What is the treatment in this experiment?A) Water
B) Baking soda
C) Freezer
D) Ice tray

Answers

B) Baking soda
The control sample is regular water while the other sample has been treated with baking soda.

Answer:

Explanation:

Baking soda is what is being tested

ps. i ust took the test

How many primary oxygen systems are there? One Five Three Ten

Answers

The answer is three.
There are three type types of oxygen therapy system. The Compressed Oxygen Cylinders or commonly known as green tanks, the Oxygen Concentrators, and the Liquid Oxygen Systems. The type of oxygen system you need varies on the amount oxygen you need.

The main function of the kidney bladder and ureter is-?

Answers

Answer:

The urinary system's function is to filter blood and create urine as a waste by-product. The organs of the urinary system include the kidneys, renal pelvis, ureters, bladder and urethra.

Explanation:

What kind of atmosphere does a gas giant have?