Question

Marks: 1


A diagram that shows the amount of energy that moves from one feeding level to another in a food web is called a/an _________________.


Choose one answer.





a. food chain







b. ecosystem







c. energy pyramid

Answer 1

energy pyramid

Answer 2

12
Marks: 1


The study of where organisms live is called ____________.


Choose one answer.





a. biogeography







b. ecology







c. dispersal

Answer 3

Ecology

Answer 4

Marks: 1


Identify the choice that best completes the statement or answers the question. Any substance that forms hydrogen ions (H+) in water is a/an ________.


Choose one answer.





a. base







b. salt







c. acid

Answer 5

ooo sorry im not that good in biochemistry

but if i were to guess its a Base

Answer 6

Marks: 1


In 1905, Albert Einstein suggested that light energy travels in tiny packets or particles called __________.


Choose one answer.





a. electrons







b. neutrons







c. photons

Answer 7

Photons....

And you need to ask these questions separately.......

Answer 8

When an atom gains an electron it becomes a positive ion.
Ture or false?

Answer 9

no electrons are negative charged

Flase

Answer 10

A substance that is present in a solution in a smaller amount and is dissolved by the solvent is called the solute.


Answer:

TrueFalse

Answer 11

Guessing True.....

Answer 12

Marks: 1


Which electromagnetic waves have the longest wavelengths and lowest frequencies?


Choose one answer.





a. ultraviolet rays







b. radio waves







c. infrared waves

Answer 13

radio waves

Answer 14

Longitudinal seismic waves are known as __________ waves.



Choose one answer.





a. primary







b. secondary







c. surface

Answer 15

okay, this ends now.

you have two things to do: a) think about your questions before mindlessly posting them. you will learn NOTHING this way. b) post several questions in several channels. thus, we can keep track, and interested readers will find quicker what they're looking for. no more answers here.

Answer 16

They are known as primary waves

Answer 17

Geometry hater??

Answer 18

Marks: 1


What is a set of tones combined in a way that is pleasing to the ear?


Choose one answer.





a. music







b. noise







c. timbre

Answer 19

And i strongly agree with Schleifspur here

Can you try to answer your own questions before posting them here

Also if you really do need to ask them please ask them separately (the ask a question box)

Answer 20

okay i will..