[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 50 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

LegendaryAnswers

Member
Posts: 341

Reply 3 on: Yesterday

Wow, this really help

« previous next »

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

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?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

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.