[Answered] How many elements are essential to life? A) 10 B) 30 C) 70 D) ...

This topic contains a solution. Click here to go to the answer

Author Question: How many elements are essential to life? A) 10 B) 30 C) 70 D) ... (Read 29 times)

RODY.ELKHALIL

Hero Member
Posts: 591

on: Aug 27, 2018

How many elements are essential to life?

A) 10
B) 30
C) 70
D) 110

Question 2

The efficiency of current solar cells is approximately

A) 3.
B) 15.
C) 25.
D) 75.

Need homework help now?

Ask unlimited questions for free

Ask a Question

Marked as best answer by a Subject Expert

bigcheese9

Sr. Member
Posts: 333

Reply #1 on: Aug 27, 2018

Answer to Question 1

B

Answer to Question 2

B

RODY.ELKHALIL

Member
Posts: 591

Reply 2 on: Aug 27, 2018

Thanks for the timely response, appreciate it

Perkypinki

Member
Posts: 339

Reply 3 on: Yesterday

Wow, this really help

« previous next »

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.