?

Why does an ecosystem support fewer organisms at higher trophic levels then lower trophic levels ?

a) competition between organisms is more intense at higher trophic levels

b) most of the food energy consumed is used for growth and to increase biomass

c) animals are part of more than one food chain eating more than one kind of food

d) huge decrease in energy from lower to higher trophic levels

There is this guy I am interested in who is in my P.E class (grade 10) . I havent talked to him ever and in P.E class its really not possible to talk to him in gym class. I sent him a friend request on facebook 2 days ago which isnt accepted til now. I dont know what to do, how to interact with. I always catch him staring at me and getting close though, or maybe its just a coincidence and hes not interested in me? Help and tips please.

2) How many times has the acidity level increased if the pH drops from pH 6 to pH 2 ?

I was at an expensive restaurant with my mom the other day. I was horrified to see a man at the next table eating olives on his plate with his fingers. You should spread the news that its impolite to eat with your fingers.

Now a response is needed to write back.

a) 6

b)13

c) 22

d) 24

grade 9 question please help

What does the symbol mean today?

(science 9) please help me

I need a joke, any joke from the internet, that is appropriate for grade 10

.....is a satire and an experimental form of short story

Please tell me what does "experimental form" mean?

1) The grandfather's thoughts as he looks at his daughter, " They were caught and finished, both of them, but the girl was still running free."

Recall a moment when you had go let go of someone or something precious to you. Explain how you felt at that time and how things finally turned out. Write your experience in a journal response.

Please write about your own experiences, or just make up one, I have to do assignment on this

Thanks

10 points ques!

Write about a close relationship you had with a grandparent

4 - 2/3 b < 3 - 1/3 b

The answer should be b > 3 according to the answers, but im not able to get that

Please show all of your work. Thanks!

p+3p-4 < 0

The answer should be p < 1 according to the answers, but im not getting that

Please show all your work. Thanks

2y+5-4y > 15

The answer should be y < -5 according to the answers, but im not getting that.

Please show all your work

I have to write a speech on this. Any ideas are welcome. What should I write? How should I start my speech? Help needed!

Best answer 10 points! Thank-you

Please explain the symbols of "water bucket" and "baseball game" in the short story "The Friday Everything Changed" by Anne Hart

Best answer to get 10 points! Please help!

Recall an event when you became aware of the importance of dividing chores evenly and fairly without being influenced by gender.