https://padlet.com/sigalk/i6wcmyzov2fl כתבו מה אתם יודעים על הCO2 en-us 2017-10-22 08:13:24 UTC 2020-11-10 09:04:56 UTC hello@padlet.com https://padlet.com/sigalk/i6wcmyzov2fl/wish/907676289 2020-11-10 09:04:05 UTC https://padlet.com/sigalk/i6wcmyzov2fl/wish/907676289 https://padlet.com/sigalk/i6wcmyzov2fl/wish/907677735 2020-11-10 09:04:40 UTC https://padlet.com/sigalk/i6wcmyzov2fl/wish/907677735