1) acacia tree has ….. a) sharp spines b) butress roots c) hand shaped leaves 2) ….transfere energy from an object to another a) force b) work 3) which of the following animals use echolocation…… a) bats b) cats c) fire flies   4) the force that pulls everything towards the centre of earth… a) push force b) gravity force c) friction force 5) the action that needs only seconds to occur a) reaction time b) reflex action c) sensory receptors

Bảng xếp hạng

Phong cách trực quan

Tùy chọn

Chuyển đổi mẫu

Bạn có muốn khôi phục tự động lưu: không?