Questions Answered by Mark S

what is your favorite experience ever by axes520wade Comments: (So far, one comment )
What is the most challenging & largest explosions you have worked on? by seen520sunn Comments: (No comments so far )
How many forces are there? by next520sunn Comments: (No comments so far )
How does a jet engine create thrust? by seen520sunn Comments: (No comments so far )
what would happen if we replaced the sun with an blackhole by dear520boom Comments: (So far, one comment )
why do volcanos errupt? amd why and how is lava made? by just520boom Comments: (No comments so far )
hi whats your favourite planet? by dean520boom Comments: (No comments so far )
what is your favourite animal to study by thaw520paps and 5 others. Comments: (No comments so far )