Which of the following might decrease the amount of water available in an ecosystem?Spilling oil
Dumping sewage
Constructing a dam
Producing acid rain

Answer:

constructing a dam

Explanation:

dams separate water

I NEED HELP The graph below shows the distance traveled by four cars, A, B, C, and D, over a period of time.


Which of the following statements can be concluded from the information on the graph?



A. All cars traveled at least 90 kilometers.



B. All cars traveled at different speeds.



C. All cars traveled for 4 hours.


D. All cars came to a stop, but at different times.

Which of the following organisms are herbivores?

a
Secondary consumers

b
Decomposers

c
Primary consumers

d
Producers

Ms. Moulden’s science class is learning to identify metals by their density. She gave the students a table, shown below, to help identify their samples. One student’s sample has a volume of 12. 82 cm3 and a mass of 114.61 g. Calculate the density of the sample.


Using the table, what is the identity of the student’s sample?

Hurry answer this pls so i can pass

What will most likely happen to a native species if an exotic species out competes it for food?

The native species will become extinct
The native species will adapt to less food
The native species will find another food source
The native species will use the exotic species for food :>

Which of the following describes the feeding relationships from one organism to the next in a linear path? (3 points)

a
Food chain

b
Trophic level

c
Food web

d
Consumer chart

Which best describes the role of a primary consumer in a food web? (3 points)
a
Carnivore that feeds on producers

b
Herbivore that feeds on producers

c
Herbivore that feeds on primary consumers

d
A carnivore that feeds on primary consumers

1. First Experiment: Thomson directed the beam at an electrometer and tried to separate the

evidence of charge from the path of the beam. What connection did Thomson find between

charge and the cathode rays? Was the charge positive or negative?

Which best describes the role of a secondary consumer in a food web? (3 points)

a
Carnivore that feeds on producers

b
Herbivore that feeds on producers

c
Herbivore that feeds on primary consumers

d
A carnivore that feeds on primary consumers

the soda was cold before it was placed in the koozie. the koozie...

a.) keeps the soda cold by removing heat energy
b.) makes the soda warmer by adding heat energy
c.) keeps the soda cold by slowing the transfer of heat energy
d.) makes the soda warmer by increasing the transfer for heat energy.

please write a sentence

Which of the following is an example of a producer?
a
Tree

b
Hawk

c
Rabbit

d
Mushroom

particles in chemistry are often described by the unit mole. One mole is defined as about 6.022 × 10 ^ 23 particles. Write this as a whole number.

I need help with this question

Lab: Environmental Changes in a Watershed
Lab Report Essay please!:)

A book on a table presses downward with a force equal to the upward force exerted by the table. This is an example of Newton's______ law of motion.
A.SECOND
B.FIRST
C.THIRD

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