Is the rock of gibraltar metamorphic, igneous, or sedimentary

In the human body fibrinogen is necessary for sealing cuts and stopping the loss of blood. since fibrinogen is made of chains of amino acids it is an example of which type of organic molecule

Will someone me with this.. specialized cells which perform a particular function form: tissues organs or organism

Look at the photo of the leaf, which term best describes this leaf ? a-simple.b-parallel.c-lobed.d-tooth.