Family Dinners: Slow Cooker Veggie Lasagna

-ounce package shredded mozzarella cheese, divided

part-skim ricotta cheese

large eggs

Parmesan cheese, grated

salt, divided

garlic powder

carrots, shredded

zucchini, shredded and firmly packed

-ounce jar roasted garlic marinara sauce

regular lasagna noodles (not no-boil)