Alleles in the F1 must be Tt to have height variety in the F2.
1/2 of a radioactive substance will remain after 3 half lives.
The mass would be 0.5kg
To find the mass of an object with acceleration and force would be
m = f/a
I hope this helps. Please rate Brainliest if it did :D
Answer:

Wildlife crossings may include: underpass tunnels or wildlife tunnels, viaducts, and overpasses or green bridges (mainly for large or herd-type animals); amphibian tunnels; fish ladders; Canopy bridge (especially for monkeys and squirrels), tunnels and culverts (for small mammals such as otters, hedgehogs, and badgers.
This know as bridge animals
eg: canopy bridge
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