Ask Singapore Homework?

Upload a photo of a Singapore homework and someone will email you the solution for free.



Ask ManyTutors

Question

secondary 2 | Science
One Answer Below

Anyone can contribute an answer, even non-tutors.

Answer This Question
Justus Tan
Justus Tan

secondary 2 chevron_right Science

Pls help

Date Posted: 7 years ago
Views: 1190
add a comment

See 1 Answer

Ask ManyTutors
done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Jason Liew
Jason Liew's answer
5 answers (Tutor Details)
1st
When u move over something negative it becomes a positive sign, likewise for the reverse. good luck!